Home / 434,250.95-651,345.03-134,723.68

Finding the Fourth Proportional to 434,250.95, 651,345.03 and 134,723.68

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Solution

The fourth proportional to 434,250.95, 651,345.03 and 134,723.68 is: 202,075.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    434,250.95 : 651,345.03 = 134,723.68 : x
  2. Step 2: Convert to fraction form
    434,250.95/651,345.03 = 134,723.68/x
  3. Step 3: Cross multiply
    434,250.95x = 651,345.03 × 134,723.68
  4. Step 4: Simplify right side
    434,250.95x = 87,751,597,762.95
  5. Step 5: Solve for x
    x = 87,751,597,762.95/434,250.95
  6. Step 6: Final answer
    x = 202,075.78

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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.