Home / 317,411.96-438,011.08-174,160.76

Finding the Fourth Proportional to 317,411.96, 438,011.08 and 174,160.76

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Solution

The fourth proportional to 317,411.96, 438,011.08 and 174,160.76 is: 240,332.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    317,411.96 : 438,011.08 = 174,160.76 : x
  2. Step 2: Convert to fraction form
    317,411.96/438,011.08 = 174,160.76/x
  3. Step 3: Cross multiply
    317,411.96x = 438,011.08 × 174,160.76
  4. Step 4: Simplify right side
    317,411.96x = 76,284,339,955.76
  5. Step 5: Solve for x
    x = 76,284,339,955.76/317,411.96
  6. Step 6: Final answer
    x = 240,332.28

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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.