Home / 356,446.69-535,506.20-336,271.21

Finding the Fourth Proportional to 356,446.69, 535,506.20 and 336,271.21

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Solution

The fourth proportional to 356,446.69, 535,506.20 and 336,271.21 is: 505,195.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    356,446.69 : 535,506.20 = 336,271.21 : x
  2. Step 2: Convert to fraction form
    356,446.69/535,506.20 = 336,271.21/x
  3. Step 3: Cross multiply
    356,446.69x = 535,506.20 × 336,271.21
  4. Step 4: Simplify right side
    356,446.69x = 180,075,317,836.50
  5. Step 5: Solve for x
    x = 180,075,317,836.50/356,446.69
  6. Step 6: Final answer
    x = 505,195.65

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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.