Home / 361,185.18-498,430.51-208,223.66

Finding the Fourth Proportional to 361,185.18, 498,430.51 and 208,223.66

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Solution

The fourth proportional to 361,185.18, 498,430.51 and 208,223.66 is: 287,345.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    361,185.18 : 498,430.51 = 208,223.66 : x
  2. Step 2: Convert to fraction form
    361,185.18/498,430.51 = 208,223.66/x
  3. Step 3: Cross multiply
    361,185.18x = 498,430.51 × 208,223.66
  4. Step 4: Simplify right side
    361,185.18x = 103,785,026,944.64
  5. Step 5: Solve for x
    x = 103,785,026,944.64/361,185.18
  6. Step 6: Final answer
    x = 287,345.75

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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.