Home / 292,422.48-438,636.96-102,888.24

Finding the Fourth Proportional to 292,422.48, 438,636.96 and 102,888.24

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Solution

The fourth proportional to 292,422.48, 438,636.96 and 102,888.24 is: 154,333.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    292,422.48 : 438,636.96 = 102,888.24 : x
  2. Step 2: Convert to fraction form
    292,422.48/438,636.96 = 102,888.24/x
  3. Step 3: Cross multiply
    292,422.48x = 438,636.96 × 102,888.24
  4. Step 4: Simplify right side
    292,422.48x = 45,130,584,813.35
  5. Step 5: Solve for x
    x = 45,130,584,813.35/292,422.48
  6. Step 6: Final answer
    x = 154,333.50

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.