Home / 317,507.32-438,159.52-181,543.82

Finding the Fourth Proportional to 317,507.32, 438,159.52 and 181,543.82

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Solution

The fourth proportional to 317,507.32, 438,159.52 and 181,543.82 is: 250,530.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    317,507.32 : 438,159.52 = 181,543.82 : x
  2. Step 2: Convert to fraction form
    317,507.32/438,159.52 = 181,543.82/x
  3. Step 3: Cross multiply
    317,507.32x = 438,159.52 × 181,543.82
  4. Step 4: Simplify right side
    317,507.32x = 79,545,153,030.17
  5. Step 5: Solve for x
    x = 79,545,153,030.17/317,507.32
  6. Step 6: Final answer
    x = 250,530.14

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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.