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Finding the Fourth Proportional to 500,068.05, 750,329.79 and 211,958.66

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Solution

The fourth proportional to 500,068.05, 750,329.79 and 211,958.66 is: 318,034.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    500,068.05 : 750,329.79 = 211,958.66 : x
  2. Step 2: Convert to fraction form
    500,068.05/750,329.79 = 211,958.66/x
  3. Step 3: Cross multiply
    500,068.05x = 750,329.79 × 211,958.66
  4. Step 4: Simplify right side
    500,068.05x = 159,038,893,094.83
  5. Step 5: Solve for x
    x = 159,038,893,094.83/500,068.05
  6. Step 6: Final answer
    x = 318,034.50

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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.