Home / 379,877.04-569,653.56-113,633.28

Finding the Fourth Proportional to 379,877.04, 569,653.56 and 113,633.28

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Solution

The fourth proportional to 379,877.04, 569,653.56 and 113,633.28 is: 170,401.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    379,877.04 : 569,653.56 = 113,633.28 : x
  2. Step 2: Convert to fraction form
    379,877.04/569,653.56 = 113,633.28/x
  3. Step 3: Cross multiply
    379,877.04x = 569,653.56 × 113,633.28
  4. Step 4: Simplify right side
    379,877.04x = 64,731,602,486.48
  5. Step 5: Solve for x
    x = 64,731,602,486.48/379,877.04
  6. Step 6: Final answer
    x = 170,401.46

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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.