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Finding the Fourth Proportional to 253,386.56, 380,171.40 and 118,569.44

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Solution

The fourth proportional to 253,386.56, 380,171.40 and 118,569.44 is: 177,897.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    253,386.56 : 380,171.40 = 118,569.44 : x
  2. Step 2: Convert to fraction form
    253,386.56/380,171.40 = 118,569.44/x
  3. Step 3: Cross multiply
    253,386.56x = 380,171.40 × 118,569.44
  4. Step 4: Simplify right side
    253,386.56x = 45,076,710,002.02
  5. Step 5: Solve for x
    x = 45,076,710,002.02/253,386.56
  6. Step 6: Final answer
    x = 177,897.00

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1.5x scale

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.