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Finding the Fourth Proportional to 556,467.04, 834,750.60 and 157,111.84

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Solution

The fourth proportional to 556,467.04, 834,750.60 and 157,111.84 is: 235,681.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    556,467.04 : 834,750.60 = 157,111.84 : x
  2. Step 2: Convert to fraction form
    556,467.04/834,750.60 = 157,111.84/x
  3. Step 3: Cross multiply
    556,467.04x = 834,750.60 × 157,111.84
  4. Step 4: Simplify right side
    556,467.04x = 131,149,202,707.10
  5. Step 5: Solve for x
    x = 131,149,202,707.10/556,467.04
  6. Step 6: Final answer
    x = 235,681.89

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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.