Home / 379,494.19-569,323.29-142,836.18

Finding the Fourth Proportional to 379,494.19, 569,323.29 and 142,836.18

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Solution

The fourth proportional to 379,494.19, 569,323.29 and 142,836.18 is: 214,285.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    379,494.19 : 569,323.29 = 142,836.18 : x
  2. Step 2: Convert to fraction form
    379,494.19/569,323.29 = 142,836.18/x
  3. Step 3: Cross multiply
    379,494.19x = 569,323.29 × 142,836.18
  4. Step 4: Simplify right side
    379,494.19x = 81,319,963,928.63
  5. Step 5: Solve for x
    x = 81,319,963,928.63/379,494.19
  6. Step 6: Final answer
    x = 214,285.14

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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.