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Finding the Fourth Proportional to 356,784, 535,210.56 and 120,186.24

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Solution

The fourth proportional to 356,784, 535,210.56 and 120,186.24 is: 180,291.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    356,784 : 535,210.56 = 120,186.24 : x
  2. Step 2: Convert to fraction form
    356,784/535,210.56 = 120,186.24/x
  3. Step 3: Cross multiply
    356,784x = 535,210.56 × 120,186.24
  4. Step 4: Simplify right side
    356,784x = 64,324,944,814.69
  5. Step 5: Solve for x
    x = 64,324,944,814.69/356,784
  6. Step 6: Final answer
    x = 180,291.00

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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.