Home / 230,298.86-345,448.28-89,959.07

Finding the Fourth Proportional to 230,298.86, 345,448.28 and 89,959.07

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Solution

The fourth proportional to 230,298.86, 345,448.28 and 89,959.07 is: 134,938.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    230,298.86 : 345,448.28 = 89,959.07 : x
  2. Step 2: Convert to fraction form
    230,298.86/345,448.28 = 89,959.07/x
  3. Step 3: Cross multiply
    230,298.86x = 345,448.28 × 89,959.07
  4. Step 4: Simplify right side
    230,298.86x = 31,076,204,274.66
  5. Step 5: Solve for x
    x = 31,076,204,274.66/230,298.86
  6. Step 6: Final answer
    x = 134,938.60

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.