Home / 230,003.02-317,404.08-128,026.30

Finding the Fourth Proportional to 230,003.02, 317,404.08 and 128,026.30

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Solution

The fourth proportional to 230,003.02, 317,404.08 and 128,026.30 is: 176,676.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    230,003.02 : 317,404.08 = 128,026.30 : x
  2. Step 2: Convert to fraction form
    230,003.02/317,404.08 = 128,026.30/x
  3. Step 3: Cross multiply
    230,003.02x = 317,404.08 × 128,026.30
  4. Step 4: Simplify right side
    230,003.02x = 40,636,069,967.30
  5. Step 5: Solve for x
    x = 40,636,069,967.30/230,003.02
  6. Step 6: Final answer
    x = 176,676.25

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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.