Home / 334,145.40-501,218.10-278,048.85

Finding the Fourth Proportional to 334,145.40, 501,218.10 and 278,048.85

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Solution

The fourth proportional to 334,145.40, 501,218.10 and 278,048.85 is: 417,073.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    334,145.40 : 501,218.10 = 278,048.85 : x
  2. Step 2: Convert to fraction form
    334,145.40/501,218.10 = 278,048.85/x
  3. Step 3: Cross multiply
    334,145.40x = 501,218.10 × 278,048.85
  4. Step 4: Simplify right side
    334,145.40x = 139,363,116,304.19
  5. Step 5: Solve for x
    x = 139,363,116,304.19/334,145.40
  6. Step 6: Final answer
    x = 417,073.28

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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.