Home / 330,396.08-455,931.92-187,153.24

Finding the Fourth Proportional to 330,396.08, 455,931.92 and 187,153.24

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Solution

The fourth proportional to 330,396.08, 455,931.92 and 187,153.24 is: 258,263.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    330,396.08 : 455,931.92 = 187,153.24 : x
  2. Step 2: Convert to fraction form
    330,396.08/455,931.92 = 187,153.24/x
  3. Step 3: Cross multiply
    330,396.08x = 455,931.92 × 187,153.24
  4. Step 4: Simplify right side
    330,396.08x = 85,329,136,047.42
  5. Step 5: Solve for x
    x = 85,329,136,047.42/330,396.08
  6. Step 6: Final answer
    x = 258,263.16

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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.