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Finding the Fourth Proportional to 370,840.51, 556,076.49 and 118,088.02

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Solution

The fourth proportional to 370,840.51, 556,076.49 and 118,088.02 is: 177,073.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    370,840.51 : 556,076.49 = 118,088.02 : x
  2. Step 2: Convert to fraction form
    370,840.51/556,076.49 = 118,088.02/x
  3. Step 3: Cross multiply
    370,840.51x = 556,076.49 × 118,088.02
  4. Step 4: Simplify right side
    370,840.51x = 65,665,971,672.65
  5. Step 5: Solve for x
    x = 65,665,971,672.65/370,840.51
  6. Step 6: Final answer
    x = 177,073.35

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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.