Home / 215,368.02-297,288.09-185,031.90

Finding the Fourth Proportional to 215,368.02, 297,288.09 and 185,031.90

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Solution

The fourth proportional to 215,368.02, 297,288.09 and 185,031.90 is: 255,412.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    215,368.02 : 297,288.09 = 185,031.90 : x
  2. Step 2: Convert to fraction form
    215,368.02/297,288.09 = 185,031.90/x
  3. Step 3: Cross multiply
    215,368.02x = 297,288.09 × 185,031.90
  4. Step 4: Simplify right side
    215,368.02x = 55,007,780,140.07
  5. Step 5: Solve for x
    x = 55,007,780,140.07/215,368.02
  6. Step 6: Final answer
    x = 255,412.94

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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.