Home / 345,271.84-476,499.08-209,311.52

Finding the Fourth Proportional to 345,271.84, 476,499.08 and 209,311.52

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Solution

The fourth proportional to 345,271.84, 476,499.08 and 209,311.52 is: 288,864.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    345,271.84 : 476,499.08 = 209,311.52 : x
  2. Step 2: Convert to fraction form
    345,271.84/476,499.08 = 209,311.52/x
  3. Step 3: Cross multiply
    345,271.84x = 476,499.08 × 209,311.52
  4. Step 4: Simplify right side
    345,271.84x = 99,736,746,713.40
  5. Step 5: Solve for x
    x = 99,736,746,713.40/345,271.84
  6. Step 6: Final answer
    x = 288,864.41

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.