Home / 390,513.05-586,002.36-174,355.00

Finding the Fourth Proportional to 390,513.05, 586,002.36 and 174,355.00

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Solution

The fourth proportional to 390,513.05, 586,002.36 and 174,355.00 is: 261,636.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    390,513.05 : 586,002.36 = 174,355.00 : x
  2. Step 2: Convert to fraction form
    390,513.05/586,002.36 = 174,355.00/x
  3. Step 3: Cross multiply
    390,513.05x = 586,002.36 × 174,355.00
  4. Step 4: Simplify right side
    390,513.05x = 102,172,443,654.39
  5. Step 5: Solve for x
    x = 102,172,443,654.39/390,513.05
  6. Step 6: Final answer
    x = 261,636.44

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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.