Home / 254,890.08-351,647.28-147,440.16

Finding the Fourth Proportional to 254,890.08, 351,647.28 and 147,440.16

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Solution

The fourth proportional to 254,890.08, 351,647.28 and 147,440.16 is: 203,408.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    254,890.08 : 351,647.28 = 147,440.16 : x
  2. Step 2: Convert to fraction form
    254,890.08/351,647.28 = 147,440.16/x
  3. Step 3: Cross multiply
    254,890.08x = 351,647.28 × 147,440.16
  4. Step 4: Simplify right side
    254,890.08x = 51,846,931,226.76
  5. Step 5: Solve for x
    x = 51,846,931,226.76/254,890.08
  6. Step 6: Final answer
    x = 203,408.98

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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.