Home / 242,571.20-364,029.60-102,430.40

Finding the Fourth Proportional to 242,571.20, 364,029.60 and 102,430.40

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Solution

The fourth proportional to 242,571.20, 364,029.60 and 102,430.40 is: 153,718.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    242,571.20 : 364,029.60 = 102,430.40 : x
  2. Step 2: Convert to fraction form
    242,571.20/364,029.60 = 102,430.40/x
  3. Step 3: Cross multiply
    242,571.20x = 364,029.60 × 102,430.40
  4. Step 4: Simplify right side
    242,571.20x = 37,287,697,539.84
  5. Step 5: Solve for x
    x = 37,287,697,539.84/242,571.20
  6. Step 6: Final answer
    x = 153,718.57

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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.