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Finding the Fourth Proportional to 556,263.60, 834,460.20 and 201,444.72

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Solution

The fourth proportional to 556,263.60, 834,460.20 and 201,444.72 is: 302,190.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    556,263.60 : 834,460.20 = 201,444.72 : x
  2. Step 2: Convert to fraction form
    556,263.60/834,460.20 = 201,444.72/x
  3. Step 3: Cross multiply
    556,263.60x = 834,460.20 × 201,444.72
  4. Step 4: Simplify right side
    556,263.60x = 168,097,601,340.14
  5. Step 5: Solve for x
    x = 168,097,601,340.14/556,263.60
  6. Step 6: Final answer
    x = 302,190.55

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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.