Home / 330,675.22-456,332.88-187,444.90

Finding the Fourth Proportional to 330,675.22, 456,332.88 and 187,444.90

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Solution

The fourth proportional to 330,675.22, 456,332.88 and 187,444.90 is: 258,674.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    330,675.22 : 456,332.88 = 187,444.90 : x
  2. Step 2: Convert to fraction form
    330,675.22/456,332.88 = 187,444.90/x
  3. Step 3: Cross multiply
    330,675.22x = 456,332.88 × 187,444.90
  4. Step 4: Simplify right side
    330,675.22x = 85,537,271,058.31
  5. Step 5: Solve for x
    x = 85,537,271,058.31/330,675.22
  6. Step 6: Final answer
    x = 258,674.57

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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.