Home / 908,139.96-1,362,248.28-268,445.16

Finding the Fourth Proportional to 908,139.96, 1,362,248.28 and 268,445.16

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Solution

The fourth proportional to 908,139.96, 1,362,248.28 and 268,445.16 is: 402,679.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    908,139.96 : 1,362,248.28 = 268,445.16 : x
  2. Step 2: Convert to fraction form
    908,139.96/1,362,248.28 = 268,445.16/x
  3. Step 3: Cross multiply
    908,139.96x = 1,362,248.28 × 268,445.16
  4. Step 4: Simplify right side
    908,139.96x = 365,688,957,484.33
  5. Step 5: Solve for x
    x = 365,688,957,484.33/908,139.96
  6. Step 6: Final answer
    x = 402,679.07

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.