Home / 278,549.93-384,403.13-151,225.52

Finding the Fourth Proportional to 278,549.93, 384,403.13 and 151,225.52

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Solution

The fourth proportional to 278,549.93, 384,403.13 and 151,225.52 is: 208,693.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    278,549.93 : 384,403.13 = 151,225.52 : x
  2. Step 2: Convert to fraction form
    278,549.93/384,403.13 = 151,225.52/x
  3. Step 3: Cross multiply
    278,549.93x = 384,403.13 × 151,225.52
  4. Step 4: Simplify right side
    278,549.93x = 58,131,563,223.88
  5. Step 5: Solve for x
    x = 58,131,563,223.88/278,549.93
  6. Step 6: Final answer
    x = 208,693.51

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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.