Home / 358,342.20-537,707.70-148,001.40

Finding the Fourth Proportional to 358,342.20, 537,707.70 and 148,001.40

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Solution

The fourth proportional to 358,342.20, 537,707.70 and 148,001.40 is: 222,082.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    358,342.20 : 537,707.70 = 148,001.40 : x
  2. Step 2: Convert to fraction form
    358,342.20/537,707.70 = 148,001.40/x
  3. Step 3: Cross multiply
    358,342.20x = 537,707.70 × 148,001.40
  4. Step 4: Simplify right side
    358,342.20x = 79,581,492,390.78
  5. Step 5: Solve for x
    x = 79,581,492,390.78/358,342.20
  6. Step 6: Final answer
    x = 222,082.39

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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.