Home / 380,373.08-570,666.27-152,828.48

Finding the Fourth Proportional to 380,373.08, 570,666.27 and 152,828.48

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Solution

The fourth proportional to 380,373.08, 570,666.27 and 152,828.48 is: 229,285.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    380,373.08 : 570,666.27 = 152,828.48 : x
  2. Step 2: Convert to fraction form
    380,373.08/570,666.27 = 152,828.48/x
  3. Step 3: Cross multiply
    380,373.08x = 570,666.27 × 152,828.48
  4. Step 4: Simplify right side
    380,373.08x = 87,214,055,778.04
  5. Step 5: Solve for x
    x = 87,214,055,778.04/380,373.08
  6. Step 6: Final answer
    x = 229,285.57

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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.