Home / 347,085.04-520,033.41-189,424.21

Finding the Fourth Proportional to 347,085.04, 520,033.41 and 189,424.21

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Solution

The fourth proportional to 347,085.04, 520,033.41 and 189,424.21 is: 283,812.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    347,085.04 : 520,033.41 = 189,424.21 : x
  2. Step 2: Convert to fraction form
    347,085.04/520,033.41 = 189,424.21/x
  3. Step 3: Cross multiply
    347,085.04x = 520,033.41 × 189,424.21
  4. Step 4: Simplify right side
    347,085.04x = 98,506,917,862.86
  5. Step 5: Solve for x
    x = 98,506,917,862.86/347,085.04
  6. Step 6: Final answer
    x = 283,812.05

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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.