Home / 371,323.20-556,984.80-90,840.45

Finding the Fourth Proportional to 371,323.20, 556,984.80 and 90,840.45

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Solution

The fourth proportional to 371,323.20, 556,984.80 and 90,840.45 is: 136,260.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    371,323.20 : 556,984.80 = 90,840.45 : x
  2. Step 2: Convert to fraction form
    371,323.20/556,984.80 = 90,840.45/x
  3. Step 3: Cross multiply
    371,323.20x = 556,984.80 × 90,840.45
  4. Step 4: Simplify right side
    371,323.20x = 50,596,749,875.16
  5. Step 5: Solve for x
    x = 50,596,749,875.16/371,323.20
  6. Step 6: Final answer
    x = 136,260.68

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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.