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Finding the Fourth Proportional to 555,136, 832,727.04 and 161,152

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Solution

The fourth proportional to 555,136, 832,727.04 and 161,152 is: 241,734.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    555,136 : 832,727.04 = 161,152 : x
  2. Step 2: Convert to fraction form
    555,136/832,727.04 = 161,152/x
  3. Step 3: Cross multiply
    555,136x = 832,727.04 × 161,152
  4. Step 4: Simplify right side
    555,136x = 134,195,627,950.08
  5. Step 5: Solve for x
    x = 134,195,627,950.08/555,136
  6. Step 6: Final answer
    x = 241,734.69

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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.