Home / 345,197.40-476,127.03-230,418.18

Finding the Fourth Proportional to 345,197.40, 476,127.03 and 230,418.18

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Solution

The fourth proportional to 345,197.40, 476,127.03 and 230,418.18 is: 317,813.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    345,197.40 : 476,127.03 = 230,418.18 : x
  2. Step 2: Convert to fraction form
    345,197.40/476,127.03 = 230,418.18/x
  3. Step 3: Cross multiply
    345,197.40x = 476,127.03 × 230,418.18
  4. Step 4: Simplify right side
    345,197.40x = 109,708,323,701.41
  5. Step 5: Solve for x
    x = 109,708,323,701.41/345,197.40
  6. Step 6: Final answer
    x = 317,813.30

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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.