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Finding the Fourth Proportional to 334,830.08, 502,315.32 and 98,153.48

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Solution

The fourth proportional to 334,830.08, 502,315.32 and 98,153.48 is: 147,250.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    334,830.08 : 502,315.32 = 98,153.48 : x
  2. Step 2: Convert to fraction form
    334,830.08/502,315.32 = 98,153.48/x
  3. Step 3: Cross multiply
    334,830.08x = 502,315.32 × 98,153.48
  4. Step 4: Simplify right side
    334,830.08x = 49,303,996,715.31
  5. Step 5: Solve for x
    x = 49,303,996,715.31/334,830.08
  6. Step 6: Final answer
    x = 147,250.80

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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.