Home / 378,526.80-567,624.02-141,703.40

Finding the Fourth Proportional to 378,526.80, 567,624.02 and 141,703.40

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Solution

The fourth proportional to 378,526.80, 567,624.02 and 141,703.40 is: 212,492.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    378,526.80 : 567,624.02 = 141,703.40 : x
  2. Step 2: Convert to fraction form
    378,526.80/567,624.02 = 141,703.40/x
  3. Step 3: Cross multiply
    378,526.80x = 567,624.02 × 141,703.40
  4. Step 4: Simplify right side
    378,526.80x = 80,434,253,555.67
  5. Step 5: Solve for x
    x = 80,434,253,555.67/378,526.80
  6. Step 6: Final answer
    x = 212,492.89

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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.