Home / 398,922.20-550,444.92-237,774.32

Finding the Fourth Proportional to 398,922.20, 550,444.92 and 237,774.32

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Solution

The fourth proportional to 398,922.20, 550,444.92 and 237,774.32 is: 328,088.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    398,922.20 : 550,444.92 = 237,774.32 : x
  2. Step 2: Convert to fraction form
    398,922.20/550,444.92 = 237,774.32/x
  3. Step 3: Cross multiply
    398,922.20x = 550,444.92 × 237,774.32
  4. Step 4: Simplify right side
    398,922.20x = 130,881,666,550.45
  5. Step 5: Solve for x
    x = 130,881,666,550.45/398,922.20
  6. Step 6: Final answer
    x = 328,088.20

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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.