Home / 528,155.80-792,281.34-149,080.72

Finding the Fourth Proportional to 528,155.80, 792,281.34 and 149,080.72

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Solution

The fourth proportional to 528,155.80, 792,281.34 and 149,080.72 is: 223,634.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    528,155.80 : 792,281.34 = 149,080.72 : x
  2. Step 2: Convert to fraction form
    528,155.80/792,281.34 = 149,080.72/x
  3. Step 3: Cross multiply
    528,155.80x = 792,281.34 × 149,080.72
  4. Step 4: Simplify right side
    528,155.80x = 118,113,872,609.77
  5. Step 5: Solve for x
    x = 118,113,872,609.77/528,155.80
  6. Step 6: Final answer
    x = 223,634.53

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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.