Home / 371,117.98-512,088.36-207,766

Finding the Fourth Proportional to 371,117.98, 512,088.36 and 207,766

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Solution

The fourth proportional to 371,117.98, 512,088.36 and 207,766 is: 286,686.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    371,117.98 : 512,088.36 = 207,766 : x
  2. Step 2: Convert to fraction form
    371,117.98/512,088.36 = 207,766/x
  3. Step 3: Cross multiply
    371,117.98x = 512,088.36 × 207,766
  4. Step 4: Simplify right side
    371,117.98x = 106,394,550,203.76
  5. Step 5: Solve for x
    x = 106,394,550,203.76/371,117.98
  6. Step 6: Final answer
    x = 286,686.60

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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.