Home / 264,280.68-396,421.95-77,292.18

Finding the Fourth Proportional to 264,280.68, 396,421.95 and 77,292.18

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Solution

The fourth proportional to 264,280.68, 396,421.95 and 77,292.18 is: 115,938.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    264,280.68 : 396,421.95 = 77,292.18 : x
  2. Step 2: Convert to fraction form
    264,280.68/396,421.95 = 77,292.18/x
  3. Step 3: Cross multiply
    264,280.68x = 396,421.95 × 77,292.18
  4. Step 4: Simplify right side
    264,280.68x = 30,640,316,715.35
  5. Step 5: Solve for x
    x = 30,640,316,715.35/264,280.68
  6. Step 6: Final answer
    x = 115,938.54

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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.