Home / 472,131.48-651,541.20-257,271.24

Finding the Fourth Proportional to 472,131.48, 651,541.20 and 257,271.24

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Solution

The fourth proportional to 472,131.48, 651,541.20 and 257,271.24 is: 355,034.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    472,131.48 : 651,541.20 = 257,271.24 : x
  2. Step 2: Convert to fraction form
    472,131.48/651,541.20 = 257,271.24/x
  3. Step 3: Cross multiply
    472,131.48x = 651,541.20 × 257,271.24
  4. Step 4: Simplify right side
    472,131.48x = 167,622,812,435.09
  5. Step 5: Solve for x
    x = 167,622,812,435.09/472,131.48
  6. Step 6: Final answer
    x = 355,034.18

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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.