Home / 438,211.03-657,389.16-153,827.80

Finding the Fourth Proportional to 438,211.03, 657,389.16 and 153,827.80

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Solution

The fourth proportional to 438,211.03, 657,389.16 and 153,827.80 is: 230,767.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    438,211.03 : 657,389.16 = 153,827.80 : x
  2. Step 2: Convert to fraction form
    438,211.03/657,389.16 = 153,827.80/x
  3. Step 3: Cross multiply
    438,211.03x = 657,389.16 × 153,827.80
  4. Step 4: Simplify right side
    438,211.03x = 101,124,728,226.65
  5. Step 5: Solve for x
    x = 101,124,728,226.65/438,211.03
  6. Step 6: Final answer
    x = 230,767.19

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.