Home / 493,153.74-680,513.40-302,141.16

Finding the Fourth Proportional to 493,153.74, 680,513.40 and 302,141.16

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Solution

The fourth proportional to 493,153.74, 680,513.40 and 302,141.16 is: 416,931.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    493,153.74 : 680,513.40 = 302,141.16 : x
  2. Step 2: Convert to fraction form
    493,153.74/680,513.40 = 302,141.16/x
  3. Step 3: Cross multiply
    493,153.74x = 680,513.40 × 302,141.16
  4. Step 4: Simplify right side
    493,153.74x = 205,611,108,071.54
  5. Step 5: Solve for x
    x = 205,611,108,071.54/493,153.74
  6. Step 6: Final answer
    x = 416,931.05

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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.