Home / 402,205.06-555,081.53-230,088.85

Finding the Fourth Proportional to 402,205.06, 555,081.53 and 230,088.85

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Solution

The fourth proportional to 402,205.06, 555,081.53 and 230,088.85 is: 317,544.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    402,205.06 : 555,081.53 = 230,088.85 : x
  2. Step 2: Convert to fraction form
    402,205.06/555,081.53 = 230,088.85/x
  3. Step 3: Cross multiply
    402,205.06x = 555,081.53 × 230,088.85
  4. Step 4: Simplify right side
    402,205.06x = 127,718,068,355.79
  5. Step 5: Solve for x
    x = 127,718,068,355.79/402,205.06
  6. Step 6: Final answer
    x = 317,544.66

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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.