Home / 314,210.72-471,245.02-89,566.36

Finding the Fourth Proportional to 314,210.72, 471,245.02 and 89,566.36

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Solution

The fourth proportional to 314,210.72, 471,245.02 and 89,566.36 is: 134,329.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    314,210.72 : 471,245.02 = 89,566.36 : x
  2. Step 2: Convert to fraction form
    314,210.72/471,245.02 = 89,566.36/x
  3. Step 3: Cross multiply
    314,210.72x = 471,245.02 × 89,566.36
  4. Step 4: Simplify right side
    314,210.72x = 42,207,701,109.53
  5. Step 5: Solve for x
    x = 42,207,701,109.53/314,210.72
  6. Step 6: Final answer
    x = 134,329.28

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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.