Home / 380,510.28-570,771-180,851.04

Finding the Fourth Proportional to 380,510.28, 570,771 and 180,851.04

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Solution

The fourth proportional to 380,510.28, 570,771 and 180,851.04 is: 271,279.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    380,510.28 : 570,771 = 180,851.04 : x
  2. Step 2: Convert to fraction form
    380,510.28/570,771 = 180,851.04/x
  3. Step 3: Cross multiply
    380,510.28x = 570,771 × 180,851.04
  4. Step 4: Simplify right side
    380,510.28x = 103,224,528,951.84
  5. Step 5: Solve for x
    x = 103,224,528,951.84/380,510.28
  6. Step 6: Final answer
    x = 271,279.21

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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.