Home / 361,182.17-498,430.31-208,219.62

Finding the Fourth Proportional to 361,182.17, 498,430.31 and 208,219.62

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Solution

The fourth proportional to 361,182.17, 498,430.31 and 208,219.62 is: 287,342.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    361,182.17 : 498,430.31 = 208,219.62 : x
  2. Step 2: Convert to fraction form
    361,182.17/498,430.31 = 208,219.62/x
  3. Step 3: Cross multiply
    361,182.17x = 498,430.31 × 208,219.62
  4. Step 4: Simplify right side
    361,182.17x = 103,782,968,703.58
  5. Step 5: Solve for x
    x = 103,782,968,703.58/361,182.17
  6. Step 6: Final answer
    x = 287,342.45

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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.