Home / 249,495.36-374,268.24-81,008.64

Finding the Fourth Proportional to 249,495.36, 374,268.24 and 81,008.64

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Solution

The fourth proportional to 249,495.36, 374,268.24 and 81,008.64 is: 121,521.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    249,495.36 : 374,268.24 = 81,008.64 : x
  2. Step 2: Convert to fraction form
    249,495.36/374,268.24 = 81,008.64/x
  3. Step 3: Cross multiply
    249,495.36x = 374,268.24 × 81,008.64
  4. Step 4: Simplify right side
    249,495.36x = 30,318,961,117.59
  5. Step 5: Solve for x
    x = 30,318,961,117.59/249,495.36
  6. Step 6: Final answer
    x = 121,521.14

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.