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Finding the Fourth Proportional to 402,479.42, 555,300.32 and 241,275.65

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Solution

The fourth proportional to 402,479.42, 555,300.32 and 241,275.65 is: 332,887.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    402,479.42 : 555,300.32 = 241,275.65 : x
  2. Step 2: Convert to fraction form
    402,479.42/555,300.32 = 241,275.65/x
  3. Step 3: Cross multiply
    402,479.42x = 555,300.32 × 241,275.65
  4. Step 4: Simplify right side
    402,479.42x = 133,980,441,670.33
  5. Step 5: Solve for x
    x = 133,980,441,670.33/402,479.42
  6. Step 6: Final answer
    x = 332,887.69

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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.