Home / 319,701.16-479,550.93-300,214.18

Finding the Fourth Proportional to 319,701.16, 479,550.93 and 300,214.18

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Solution

The fourth proportional to 319,701.16, 479,550.93 and 300,214.18 is: 450,320.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    319,701.16 : 479,550.93 = 300,214.18 : x
  2. Step 2: Convert to fraction form
    319,701.16/479,550.93 = 300,214.18/x
  3. Step 3: Cross multiply
    319,701.16x = 479,550.93 × 300,214.18
  4. Step 4: Simplify right side
    319,701.16x = 143,967,989,218.19
  5. Step 5: Solve for x
    x = 143,967,989,218.19/319,701.16
  6. Step 6: Final answer
    x = 450,320.51

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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.