Home / 272,283.21-407,548.80-145,606.50

Finding the Fourth Proportional to 272,283.21, 407,548.80 and 145,606.50

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Solution

The fourth proportional to 272,283.21, 407,548.80 and 145,606.50 is: 217,941.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    272,283.21 : 407,548.80 = 145,606.50 : x
  2. Step 2: Convert to fraction form
    272,283.21/407,548.80 = 145,606.50/x
  3. Step 3: Cross multiply
    272,283.21x = 407,548.80 × 145,606.50
  4. Step 4: Simplify right side
    272,283.21x = 59,341,754,347.20
  5. Step 5: Solve for x
    x = 59,341,754,347.20/272,283.21
  6. Step 6: Final answer
    x = 217,941.29

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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.