Home / 371,627.81-557,524.61-118,923.47

Finding the Fourth Proportional to 371,627.81, 557,524.61 and 118,923.47

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Solution

The fourth proportional to 371,627.81, 557,524.61 and 118,923.47 is: 178,411.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    371,627.81 : 557,524.61 = 118,923.47 : x
  2. Step 2: Convert to fraction form
    371,627.81/557,524.61 = 118,923.47/x
  3. Step 3: Cross multiply
    371,627.81x = 557,524.61 × 118,923.47
  4. Step 4: Simplify right side
    371,627.81x = 66,302,763,968.08
  5. Step 5: Solve for x
    x = 66,302,763,968.08/371,627.81
  6. Step 6: Final answer
    x = 178,411.74

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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.