Home / 280,239.95-386,740.46-152,922.53

Finding the Fourth Proportional to 280,239.95, 386,740.46 and 152,922.53

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Solution

The fourth proportional to 280,239.95, 386,740.46 and 152,922.53 is: 211,038.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    280,239.95 : 386,740.46 = 152,922.53 : x
  2. Step 2: Convert to fraction form
    280,239.95/386,740.46 = 152,922.53/x
  3. Step 3: Cross multiply
    280,239.95x = 386,740.46 × 152,922.53
  4. Step 4: Simplify right side
    280,239.95x = 59,141,329,596.56
  5. Step 5: Solve for x
    x = 59,141,329,596.56/280,239.95
  6. Step 6: Final answer
    x = 211,038.18

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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.