Home / 291,938.75-402,875.52-157,802.75

Finding the Fourth Proportional to 291,938.75, 402,875.52 and 157,802.75

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Solution

The fourth proportional to 291,938.75, 402,875.52 and 157,802.75 is: 217,767.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    291,938.75 : 402,875.52 = 157,802.75 : x
  2. Step 2: Convert to fraction form
    291,938.75/402,875.52 = 157,802.75/x
  3. Step 3: Cross multiply
    291,938.75x = 402,875.52 × 157,802.75
  4. Step 4: Simplify right side
    291,938.75x = 63,574,864,963.68
  5. Step 5: Solve for x
    x = 63,574,864,963.68/291,938.75
  6. Step 6: Final answer
    x = 217,767.82

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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.