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Finding the Fourth Proportional to 559,032.15, 838,636.46 and 239,186.10

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Solution

The fourth proportional to 559,032.15, 838,636.46 and 239,186.10 is: 358,816.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    559,032.15 : 838,636.46 = 239,186.10 : x
  2. Step 2: Convert to fraction form
    559,032.15/838,636.46 = 239,186.10/x
  3. Step 3: Cross multiply
    559,032.15x = 838,636.46 × 239,186.10
  4. Step 4: Simplify right side
    559,032.15x = 200,590,187,031.11
  5. Step 5: Solve for x
    x = 200,590,187,031.11/559,032.15
  6. Step 6: Final answer
    x = 358,816.90

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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.