Home / 282,960.12-390,263.76-175,469.40

Finding the Fourth Proportional to 282,960.12, 390,263.76 and 175,469.40

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Solution

The fourth proportional to 282,960.12, 390,263.76 and 175,469.40 is: 242,010.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    282,960.12 : 390,263.76 = 175,469.40 : x
  2. Step 2: Convert to fraction form
    282,960.12/390,263.76 = 175,469.40/x
  3. Step 3: Cross multiply
    282,960.12x = 390,263.76 × 175,469.40
  4. Step 4: Simplify right side
    282,960.12x = 68,479,347,808.94
  5. Step 5: Solve for x
    x = 68,479,347,808.94/282,960.12
  6. Step 6: Final answer
    x = 242,010.60

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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.