Home / 402,482.02-603,743.70-102,965.18

Finding the Fourth Proportional to 402,482.02, 603,743.70 and 102,965.18

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Solution

The fourth proportional to 402,482.02, 603,743.70 and 102,965.18 is: 154,453.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    402,482.02 : 603,743.70 = 102,965.18 : x
  2. Step 2: Convert to fraction form
    402,482.02/603,743.70 = 102,965.18/x
  3. Step 3: Cross multiply
    402,482.02x = 603,743.70 × 102,965.18
  4. Step 4: Simplify right side
    402,482.02x = 62,164,578,744.37
  5. Step 5: Solve for x
    x = 62,164,578,744.37/402,482.02
  6. Step 6: Final answer
    x = 154,453.06

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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.