Home / 258,737.40-357,032.34-145,557.72

Finding the Fourth Proportional to 258,737.40, 357,032.34 and 145,557.72

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Solution

The fourth proportional to 258,737.40, 357,032.34 and 145,557.72 is: 200,855.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    258,737.40 : 357,032.34 = 145,557.72 : x
  2. Step 2: Convert to fraction form
    258,737.40/357,032.34 = 145,557.72/x
  3. Step 3: Cross multiply
    258,737.40x = 357,032.34 × 145,557.72
  4. Step 4: Simplify right side
    258,737.40x = 51,968,813,376.66
  5. Step 5: Solve for x
    x = 51,968,813,376.66/258,737.40
  6. Step 6: Final answer
    x = 200,855.44

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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.