Home / 424,210.30-585,403.91-230,611.58

Finding the Fourth Proportional to 424,210.30, 585,403.91 and 230,611.58

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Solution

The fourth proportional to 424,210.30, 585,403.91 and 230,611.58 is: 318,240.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    424,210.30 : 585,403.91 = 230,611.58 : x
  2. Step 2: Convert to fraction form
    424,210.30/585,403.91 = 230,611.58/x
  3. Step 3: Cross multiply
    424,210.30x = 585,403.91 × 230,611.58
  4. Step 4: Simplify right side
    424,210.30x = 135,000,920,623.28
  5. Step 5: Solve for x
    x = 135,000,920,623.28/424,210.30
  6. Step 6: Final answer
    x = 318,240.55

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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.