Home / 384,836.40-577,254.60-118,573.20

Finding the Fourth Proportional to 384,836.40, 577,254.60 and 118,573.20

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Solution

The fourth proportional to 384,836.40, 577,254.60 and 118,573.20 is: 177,859.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    384,836.40 : 577,254.60 = 118,573.20 : x
  2. Step 2: Convert to fraction form
    384,836.40/577,254.60 = 118,573.20/x
  3. Step 3: Cross multiply
    384,836.40x = 577,254.60 × 118,573.20
  4. Step 4: Simplify right side
    384,836.40x = 68,446,925,136.72
  5. Step 5: Solve for x
    x = 68,446,925,136.72/384,836.40
  6. Step 6: Final answer
    x = 177,859.80

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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.