Home / 403,876.40-557,346.84-222,588.50

Finding the Fourth Proportional to 403,876.40, 557,346.84 and 222,588.50

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Solution

The fourth proportional to 403,876.40, 557,346.84 and 222,588.50 is: 307,170.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    403,876.40 : 557,346.84 = 222,588.50 : x
  2. Step 2: Convert to fraction form
    403,876.40/557,346.84 = 222,588.50/x
  3. Step 3: Cross multiply
    403,876.40x = 557,346.84 × 222,588.50
  4. Step 4: Simplify right side
    403,876.40x = 124,058,997,095.34
  5. Step 5: Solve for x
    x = 124,058,997,095.34/403,876.40
  6. Step 6: Final answer
    x = 307,170.70

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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.