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Finding the Fourth Proportional to 313,807.17, 433,058.31 and 170,567.22

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Solution

The fourth proportional to 313,807.17, 433,058.31 and 170,567.22 is: 235,385.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    313,807.17 : 433,058.31 = 170,567.22 : x
  2. Step 2: Convert to fraction form
    313,807.17/433,058.31 = 170,567.22/x
  3. Step 3: Cross multiply
    313,807.17x = 433,058.31 × 170,567.22
  4. Step 4: Simplify right side
    313,807.17x = 73,865,552,034.60
  5. Step 5: Solve for x
    x = 73,865,552,034.60/313,807.17
  6. Step 6: Final answer
    x = 235,385.16

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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.