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Finding the Fourth Proportional to 460,044.80, 634,880.04 and 256,104.80

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Solution

The fourth proportional to 460,044.80, 634,880.04 and 256,104.80 is: 353,434.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    460,044.80 : 634,880.04 = 256,104.80 : x
  2. Step 2: Convert to fraction form
    460,044.80/634,880.04 = 256,104.80/x
  3. Step 3: Cross multiply
    460,044.80x = 634,880.04 × 256,104.80
  4. Step 4: Simplify right side
    460,044.80x = 162,595,825,668.19
  5. Step 5: Solve for x
    x = 162,595,825,668.19/460,044.80
  6. Step 6: Final answer
    x = 353,434.76

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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.