Home / 290,836.52-436,663.48-148,783.69

Finding the Fourth Proportional to 290,836.52, 436,663.48 and 148,783.69

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Solution

The fourth proportional to 290,836.52, 436,663.48 and 148,783.69 is: 223,384.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    290,836.52 : 436,663.48 = 148,783.69 : x
  2. Step 2: Convert to fraction form
    290,836.52/436,663.48 = 148,783.69/x
  3. Step 3: Cross multiply
    290,836.52x = 436,663.48 × 148,783.69
  4. Step 4: Simplify right side
    290,836.52x = 64,968,402,379.02
  5. Step 5: Solve for x
    x = 64,968,402,379.02/290,836.52
  6. Step 6: Final answer
    x = 223,384.61

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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.