Home / 249,812.40-344,749.32-136,635.15

Finding the Fourth Proportional to 249,812.40, 344,749.32 and 136,635.15

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Solution

The fourth proportional to 249,812.40, 344,749.32 and 136,635.15 is: 188,561.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    249,812.40 : 344,749.32 = 136,635.15 : x
  2. Step 2: Convert to fraction form
    249,812.40/344,749.32 = 136,635.15/x
  3. Step 3: Cross multiply
    249,812.40x = 344,749.32 × 136,635.15
  4. Step 4: Simplify right side
    249,812.40x = 47,104,875,050.60
  5. Step 5: Solve for x
    x = 47,104,875,050.60/249,812.40
  6. Step 6: Final answer
    x = 188,561.00

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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.