Home / 357,619.76-493,330.20-242,904.32

Finding the Fourth Proportional to 357,619.76, 493,330.20 and 242,904.32

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Solution

The fourth proportional to 357,619.76, 493,330.20 and 242,904.32 is: 335,082.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    357,619.76 : 493,330.20 = 242,904.32 : x
  2. Step 2: Convert to fraction form
    357,619.76/493,330.20 = 242,904.32/x
  3. Step 3: Cross multiply
    357,619.76x = 493,330.20 × 242,904.32
  4. Step 4: Simplify right side
    357,619.76x = 119,832,036,766.46
  5. Step 5: Solve for x
    x = 119,832,036,766.46/357,619.76
  6. Step 6: Final answer
    x = 335,082.26

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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.