Home / 291,824.48-402,718.02-157,688.48

Finding the Fourth Proportional to 291,824.48, 402,718.02 and 157,688.48

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Solution

The fourth proportional to 291,824.48, 402,718.02 and 157,688.48 is: 217,610.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    291,824.48 : 402,718.02 = 157,688.48 : x
  2. Step 2: Convert to fraction form
    291,824.48/402,718.02 = 157,688.48/x
  3. Step 3: Cross multiply
    291,824.48x = 402,718.02 × 157,688.48
  4. Step 4: Simplify right side
    291,824.48x = 63,503,992,442.41
  5. Step 5: Solve for x
    x = 63,503,992,442.41/291,824.48
  6. Step 6: Final answer
    x = 217,610.23

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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.