Home / 368,256.08-508,263.20-230,498.91

Finding the Fourth Proportional to 368,256.08, 508,263.20 and 230,498.91

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Solution

The fourth proportional to 368,256.08, 508,263.20 and 230,498.91 is: 318,132.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    368,256.08 : 508,263.20 = 230,498.91 : x
  2. Step 2: Convert to fraction form
    368,256.08/508,263.20 = 230,498.91/x
  3. Step 3: Cross multiply
    368,256.08x = 508,263.20 × 230,498.91
  4. Step 4: Simplify right side
    368,256.08x = 117,154,112,440.62
  5. Step 5: Solve for x
    x = 117,154,112,440.62/368,256.08
  6. Step 6: Final answer
    x = 318,132.19

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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.