Home / 253,501.50-380,626.07-141,400.74

Finding the Fourth Proportional to 253,501.50, 380,626.07 and 141,400.74

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Solution

The fourth proportional to 253,501.50, 380,626.07 and 141,400.74 is: 212,309.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    253,501.50 : 380,626.07 = 141,400.74 : x
  2. Step 2: Convert to fraction form
    253,501.50/380,626.07 = 141,400.74/x
  3. Step 3: Cross multiply
    253,501.50x = 380,626.07 × 141,400.74
  4. Step 4: Simplify right side
    253,501.50x = 53,820,807,254.29
  5. Step 5: Solve for x
    x = 53,820,807,254.29/253,501.50
  6. Step 6: Final answer
    x = 212,309.62

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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.