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Finding the Fourth Proportional to 249,480.60, 344,283.60 and 142,050.72

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Solution

The fourth proportional to 249,480.60, 344,283.60 and 142,050.72 is: 196,030.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    249,480.60 : 344,283.60 = 142,050.72 : x
  2. Step 2: Convert to fraction form
    249,480.60/344,283.60 = 142,050.72/x
  3. Step 3: Cross multiply
    249,480.60x = 344,283.60 × 142,050.72
  4. Step 4: Simplify right side
    249,480.60x = 48,905,733,264.19
  5. Step 5: Solve for x
    x = 48,905,733,264.19/249,480.60
  6. Step 6: Final answer
    x = 196,030.21

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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.