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Finding the Fourth Proportional to 292,048.94, 403,209.98 and 223,935.06

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Solution

The fourth proportional to 292,048.94, 403,209.98 and 223,935.06 is: 309,170.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    292,048.94 : 403,209.98 = 223,935.06 : x
  2. Step 2: Convert to fraction form
    292,048.94/403,209.98 = 223,935.06/x
  3. Step 3: Cross multiply
    292,048.94x = 403,209.98 × 223,935.06
  4. Step 4: Simplify right side
    292,048.94x = 90,292,851,623.74
  5. Step 5: Solve for x
    x = 90,292,851,623.74/292,048.94
  6. Step 6: Final answer
    x = 309,170.28

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.