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Finding the Fourth Proportional to 360,904.13, 498,172.25 and 208,003.32

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Solution

The fourth proportional to 360,904.13, 498,172.25 and 208,003.32 is: 287,116.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    360,904.13 : 498,172.25 = 208,003.32 : x
  2. Step 2: Convert to fraction form
    360,904.13/498,172.25 = 208,003.32/x
  3. Step 3: Cross multiply
    360,904.13x = 498,172.25 × 208,003.32
  4. Step 4: Simplify right side
    360,904.13x = 103,621,480,465.76
  5. Step 5: Solve for x
    x = 103,621,480,465.76/360,904.13
  6. Step 6: Final answer
    x = 287,116.36

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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.