Home / 666,435.60-999,643.56-160,992.24

Finding the Fourth Proportional to 666,435.60, 999,643.56 and 160,992.24

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Solution

The fourth proportional to 666,435.60, 999,643.56 and 160,992.24 is: 241,485.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    666,435.60 : 999,643.56 = 160,992.24 : x
  2. Step 2: Convert to fraction form
    666,435.60/999,643.56 = 160,992.24/x
  3. Step 3: Cross multiply
    666,435.60x = 999,643.56 × 160,992.24
  4. Step 4: Simplify right side
    666,435.60x = 160,934,855,925.97
  5. Step 5: Solve for x
    x = 160,934,855,925.97/666,435.60
  6. Step 6: Final answer
    x = 241,485.98

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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.