Home / 476,159.10-657,107.62-261,319.16

Finding the Fourth Proportional to 476,159.10, 657,107.62 and 261,319.16

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Solution

The fourth proportional to 476,159.10, 657,107.62 and 261,319.16 is: 360,624.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    476,159.10 : 657,107.62 = 261,319.16 : x
  2. Step 2: Convert to fraction form
    476,159.10/657,107.62 = 261,319.16/x
  3. Step 3: Cross multiply
    476,159.10x = 657,107.62 × 261,319.16
  4. Step 4: Simplify right side
    476,159.10x = 171,714,808,002.46
  5. Step 5: Solve for x
    x = 171,714,808,002.46/476,159.10
  6. Step 6: Final answer
    x = 360,624.86

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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.