Home / 355,853.20-533,779.80-145,441.93

Finding the Fourth Proportional to 355,853.20, 533,779.80 and 145,441.93

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Solution

The fourth proportional to 355,853.20, 533,779.80 and 145,441.93 is: 218,162.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    355,853.20 : 533,779.80 = 145,441.93 : x
  2. Step 2: Convert to fraction form
    355,853.20/533,779.80 = 145,441.93/x
  3. Step 3: Cross multiply
    355,853.20x = 533,779.80 × 145,441.93
  4. Step 4: Simplify right side
    355,853.20x = 77,633,964,307.01
  5. Step 5: Solve for x
    x = 77,633,964,307.01/355,853.20
  6. Step 6: Final answer
    x = 218,162.90

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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.