Home / 342,441.15-472,280.67-256,601.40

Finding the Fourth Proportional to 342,441.15, 472,280.67 and 256,601.40

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Solution

The fourth proportional to 342,441.15, 472,280.67 and 256,601.40 is: 353,894.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    342,441.15 : 472,280.67 = 256,601.40 : x
  2. Step 2: Convert to fraction form
    342,441.15/472,280.67 = 256,601.40/x
  3. Step 3: Cross multiply
    342,441.15x = 472,280.67 × 256,601.40
  4. Step 4: Simplify right side
    342,441.15x = 121,187,881,114.94
  5. Step 5: Solve for x
    x = 121,187,881,114.94/342,441.15
  6. Step 6: Final answer
    x = 353,894.04

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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.