Home / 258,368.02-356,548-149,487.20

Finding the Fourth Proportional to 258,368.02, 356,548 and 149,487.20

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Solution

The fourth proportional to 258,368.02, 356,548 and 149,487.20 is: 206,292.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    258,368.02 : 356,548 = 149,487.20 : x
  2. Step 2: Convert to fraction form
    258,368.02/356,548 = 149,487.20/x
  3. Step 3: Cross multiply
    258,368.02x = 356,548 × 149,487.20
  4. Step 4: Simplify right side
    258,368.02x = 53,299,362,185.60
  5. Step 5: Solve for x
    x = 53,299,362,185.60/258,368.02
  6. Step 6: Final answer
    x = 206,292.41

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1.5x scale

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.