Home / 243,918.30-365,986.08-155,148.78

Finding the Fourth Proportional to 243,918.30, 365,986.08 and 155,148.78

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Solution

The fourth proportional to 243,918.30, 365,986.08 and 155,148.78 is: 232,792.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    243,918.30 : 365,986.08 = 155,148.78 : x
  2. Step 2: Convert to fraction form
    243,918.30/365,986.08 = 155,148.78/x
  3. Step 3: Cross multiply
    243,918.30x = 365,986.08 × 155,148.78
  4. Step 4: Simplify right side
    243,918.30x = 56,782,293,808.98
  5. Step 5: Solve for x
    x = 56,782,293,808.98/243,918.30
  6. Step 6: Final answer
    x = 232,792.27

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1.5x scale

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.