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Finding the Fourth Proportional to 249,349.60, 375,707.52 and 205,948.56

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Solution

The fourth proportional to 249,349.60, 375,707.52 and 205,948.56 is: 310,313.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    249,349.60 : 375,707.52 = 205,948.56 : x
  2. Step 2: Convert to fraction form
    249,349.60/375,707.52 = 205,948.56/x
  3. Step 3: Cross multiply
    249,349.60x = 375,707.52 × 205,948.56
  4. Step 4: Simplify right side
    249,349.60x = 77,376,422,725.17
  5. Step 5: Solve for x
    x = 77,376,422,725.17/249,349.60
  6. Step 6: Final answer
    x = 310,313.00

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Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.