Home / 284,316.48-392,342.13-163,372.14

Finding the Fourth Proportional to 284,316.48, 392,342.13 and 163,372.14

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Solution

The fourth proportional to 284,316.48, 392,342.13 and 163,372.14 is: 225,445.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    284,316.48 : 392,342.13 = 163,372.14 : x
  2. Step 2: Convert to fraction form
    284,316.48/392,342.13 = 163,372.14/x
  3. Step 3: Cross multiply
    284,316.48x = 392,342.13 × 163,372.14
  4. Step 4: Simplify right side
    284,316.48x = 64,097,773,390.26
  5. Step 5: Solve for x
    x = 64,097,773,390.26/284,316.48
  6. Step 6: Final answer
    x = 225,445.16

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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.