Home / 477,111.60-715,666.94-122,125.05

Finding the Fourth Proportional to 477,111.60, 715,666.94 and 122,125.05

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Solution

The fourth proportional to 477,111.60, 715,666.94 and 122,125.05 is: 183,187.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    477,111.60 : 715,666.94 = 122,125.05 : x
  2. Step 2: Convert to fraction form
    477,111.60/715,666.94 = 122,125.05/x
  3. Step 3: Cross multiply
    477,111.60x = 715,666.94 × 122,125.05
  4. Step 4: Simplify right side
    477,111.60x = 87,400,860,830.85
  5. Step 5: Solve for x
    x = 87,400,860,830.85/477,111.60
  6. Step 6: Final answer
    x = 183,187.46

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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.