Home / 317,666.13-438,379.74-174,435.32

Finding the Fourth Proportional to 317,666.13, 438,379.74 and 174,435.32

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Solution

The fourth proportional to 317,666.13, 438,379.74 and 174,435.32 is: 240,721.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    317,666.13 : 438,379.74 = 174,435.32 : x
  2. Step 2: Convert to fraction form
    317,666.13/438,379.74 = 174,435.32/x
  3. Step 3: Cross multiply
    317,666.13x = 438,379.74 × 174,435.32
  4. Step 4: Simplify right side
    317,666.13x = 76,468,908,036.52
  5. Step 5: Solve for x
    x = 76,468,908,036.52/317,666.13
  6. Step 6: Final answer
    x = 240,721.00

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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.