Home / 248,981.04-373,280.13-128,909.25

Finding the Fourth Proportional to 248,981.04, 373,280.13 and 128,909.25

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Solution

The fourth proportional to 248,981.04, 373,280.13 and 128,909.25 is: 193,264.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    248,981.04 : 373,280.13 = 128,909.25 : x
  2. Step 2: Convert to fraction form
    248,981.04/373,280.13 = 128,909.25/x
  3. Step 3: Cross multiply
    248,981.04x = 373,280.13 × 128,909.25
  4. Step 4: Simplify right side
    248,981.04x = 48,119,261,598.20
  5. Step 5: Solve for x
    x = 48,119,261,598.20/248,981.04
  6. Step 6: Final answer
    x = 193,264.76

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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.