Home / 258,675.15-356,968.04-145,497.63

Finding the Fourth Proportional to 258,675.15, 356,968.04 and 145,497.63

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Solution

The fourth proportional to 258,675.15, 356,968.04 and 145,497.63 is: 200,784.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    258,675.15 : 356,968.04 = 145,497.63 : x
  2. Step 2: Convert to fraction form
    258,675.15/356,968.04 = 145,497.63/x
  3. Step 3: Cross multiply
    258,675.15x = 356,968.04 × 145,497.63
  4. Step 4: Simplify right side
    258,675.15x = 51,938,003,805.75
  5. Step 5: Solve for x
    x = 51,938,003,805.75/258,675.15
  6. Step 6: Final answer
    x = 200,784.67

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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.