Home / 370,354.18-511,088.79-200,588.32

Finding the Fourth Proportional to 370,354.18, 511,088.79 and 200,588.32

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Solution

The fourth proportional to 370,354.18, 511,088.79 and 200,588.32 is: 276,811.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    370,354.18 : 511,088.79 = 200,588.32 : x
  2. Step 2: Convert to fraction form
    370,354.18/511,088.79 = 200,588.32/x
  3. Step 3: Cross multiply
    370,354.18x = 511,088.79 × 200,588.32
  4. Step 4: Simplify right side
    370,354.18x = 102,518,441,756.93
  5. Step 5: Solve for x
    x = 102,518,441,756.93/370,354.18
  6. Step 6: Final answer
    x = 276,811.89

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.