Home / 280,259.28-386,754.18-152,926.67

Finding the Fourth Proportional to 280,259.28, 386,754.18 and 152,926.67

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Solution

The fourth proportional to 280,259.28, 386,754.18 and 152,926.67 is: 211,036.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    280,259.28 : 386,754.18 = 152,926.67 : x
  2. Step 2: Convert to fraction form
    280,259.28/386,754.18 = 152,926.67/x
  3. Step 3: Cross multiply
    280,259.28x = 386,754.18 × 152,926.67
  4. Step 4: Simplify right side
    280,259.28x = 59,145,026,922.21
  5. Step 5: Solve for x
    x = 59,145,026,922.21/280,259.28
  6. Step 6: Final answer
    x = 211,036.82

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.