Home / 280,239.64-386,740.03-152,922.22

Finding the Fourth Proportional to 280,239.64, 386,740.03 and 152,922.22

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Solution

The fourth proportional to 280,239.64, 386,740.03 and 152,922.22 is: 211,037.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    280,239.64 : 386,740.03 = 152,922.22 : x
  2. Step 2: Convert to fraction form
    280,239.64/386,740.03 = 152,922.22/x
  3. Step 3: Cross multiply
    280,239.64x = 386,740.03 × 152,922.22
  4. Step 4: Simplify right side
    280,239.64x = 59,141,143,950.47
  5. Step 5: Solve for x
    x = 59,141,143,950.47/280,239.64
  6. Step 6: Final answer
    x = 211,037.75

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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.