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Finding the Fourth Proportional to 556,706.64, 835,088.04 and 157,376.08

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Solution

The fourth proportional to 556,706.64, 835,088.04 and 157,376.08 is: 236,072.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    556,706.64 : 835,088.04 = 157,376.08 : x
  2. Step 2: Convert to fraction form
    556,706.64/835,088.04 = 157,376.08/x
  3. Step 3: Cross multiply
    556,706.64x = 835,088.04 × 157,376.08
  4. Step 4: Simplify right side
    556,706.64x = 131,422,882,190.08
  5. Step 5: Solve for x
    x = 131,422,882,190.08/556,706.64
  6. Step 6: Final answer
    x = 236,072.06

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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.