Home / 380,515.02-570,799.15-152,810.59

Finding the Fourth Proportional to 380,515.02, 570,799.15 and 152,810.59

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Solution

The fourth proportional to 380,515.02, 570,799.15 and 152,810.59 is: 229,226.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    380,515.02 : 570,799.15 = 152,810.59 : x
  2. Step 2: Convert to fraction form
    380,515.02/570,799.15 = 152,810.59/x
  3. Step 3: Cross multiply
    380,515.02x = 570,799.15 × 152,810.59
  4. Step 4: Simplify right side
    380,515.02x = 87,224,154,883.00
  5. Step 5: Solve for x
    x = 87,224,154,883.00/380,515.02
  6. Step 6: Final answer
    x = 229,226.58

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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.