Home / 317,303.32-437,876.02-172,108.73

Finding the Fourth Proportional to 317,303.32, 437,876.02 and 172,108.73

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Solution

The fourth proportional to 317,303.32, 437,876.02 and 172,108.73 is: 237,508.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    317,303.32 : 437,876.02 = 172,108.73 : x
  2. Step 2: Convert to fraction form
    317,303.32/437,876.02 = 172,108.73/x
  3. Step 3: Cross multiply
    317,303.32x = 437,876.02 × 172,108.73
  4. Step 4: Simplify right side
    317,303.32x = 75,362,285,123.92
  5. Step 5: Solve for x
    x = 75,362,285,123.92/317,303.32
  6. Step 6: Final answer
    x = 237,508.66

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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.