Home / 442,165.10-610,651.02-304,701.44

Finding the Fourth Proportional to 442,165.10, 610,651.02 and 304,701.44

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Solution

The fourth proportional to 442,165.10, 610,651.02 and 304,701.44 is: 420,807.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    442,165.10 : 610,651.02 = 304,701.44 : x
  2. Step 2: Convert to fraction form
    442,165.10/610,651.02 = 304,701.44/x
  3. Step 3: Cross multiply
    442,165.10x = 610,651.02 × 304,701.44
  4. Step 4: Simplify right side
    442,165.10x = 186,066,245,131.47
  5. Step 5: Solve for x
    x = 186,066,245,131.47/442,165.10
  6. Step 6: Final answer
    x = 420,807.17

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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.