Home / 326,621.42-450,726-183,387.50

Finding the Fourth Proportional to 326,621.42, 450,726 and 183,387.50

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Solution

The fourth proportional to 326,621.42, 450,726 and 183,387.50 is: 253,068.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    326,621.42 : 450,726 = 183,387.50 : x
  2. Step 2: Convert to fraction form
    326,621.42/450,726 = 183,387.50/x
  3. Step 3: Cross multiply
    326,621.42x = 450,726 × 183,387.50
  4. Step 4: Simplify right side
    326,621.42x = 82,657,514,325
  5. Step 5: Solve for x
    x = 82,657,514,325/326,621.42
  6. Step 6: Final answer
    x = 253,068.26

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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.