Home / 423,043.20-634,795.20-173,750.40

Finding the Fourth Proportional to 423,043.20, 634,795.20 and 173,750.40

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Solution

The fourth proportional to 423,043.20, 634,795.20 and 173,750.40 is: 260,720.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    423,043.20 : 634,795.20 = 173,750.40 : x
  2. Step 2: Convert to fraction form
    423,043.20/634,795.20 = 173,750.40/x
  3. Step 3: Cross multiply
    423,043.20x = 634,795.20 × 173,750.40
  4. Step 4: Simplify right side
    423,043.20x = 110,295,919,918.08
  5. Step 5: Solve for x
    x = 110,295,919,918.08/423,043.20
  6. Step 6: Final answer
    x = 260,720.23

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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.