Home / 281,426.02-388,368.54-152,365.90

Finding the Fourth Proportional to 281,426.02, 388,368.54 and 152,365.90

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Solution

The fourth proportional to 281,426.02, 388,368.54 and 152,365.90 is: 210,265.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    281,426.02 : 388,368.54 = 152,365.90 : x
  2. Step 2: Convert to fraction form
    281,426.02/388,368.54 = 152,365.90/x
  3. Step 3: Cross multiply
    281,426.02x = 388,368.54 × 152,365.90
  4. Step 4: Simplify right side
    281,426.02x = 59,174,122,128.79
  5. Step 5: Solve for x
    x = 59,174,122,128.79/281,426.02
  6. Step 6: Final answer
    x = 210,265.28

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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.