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Finding the Fourth Proportional to 460,292.45, 635,190.73 and 256,343.32

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Solution

The fourth proportional to 460,292.45, 635,190.73 and 256,343.32 is: 353,746.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    460,292.45 : 635,190.73 = 256,343.32 : x
  2. Step 2: Convert to fraction form
    460,292.45/635,190.73 = 256,343.32/x
  3. Step 3: Cross multiply
    460,292.45x = 635,190.73 × 256,343.32
  4. Step 4: Simplify right side
    460,292.45x = 162,826,898,332.59
  5. Step 5: Solve for x
    x = 162,826,898,332.59/460,292.45
  6. Step 6: Final answer
    x = 353,746.62

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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.