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Finding the Fourth Proportional to 333,332.61, 500,111.15 and 105,665.42

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Solution

The fourth proportional to 333,332.61, 500,111.15 and 105,665.42 is: 158,533.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    333,332.61 : 500,111.15 = 105,665.42 : x
  2. Step 2: Convert to fraction form
    333,332.61/500,111.15 = 105,665.42/x
  3. Step 3: Cross multiply
    333,332.61x = 500,111.15 × 105,665.42
  4. Step 4: Simplify right side
    333,332.61x = 52,844,453,689.32
  5. Step 5: Solve for x
    x = 52,844,453,689.32/333,332.61
  6. Step 6: Final answer
    x = 158,533.70

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1.5x scale

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.