Home / 345,271.77-476,498.98-209,311.44

Finding the Fourth Proportional to 345,271.77, 476,498.98 and 209,311.44

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Solution

The fourth proportional to 345,271.77, 476,498.98 and 209,311.44 is: 288,864.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    345,271.77 : 476,498.98 = 209,311.44 : x
  2. Step 2: Convert to fraction form
    345,271.77/476,498.98 = 209,311.44/x
  3. Step 3: Cross multiply
    345,271.77x = 476,498.98 × 209,311.44
  4. Step 4: Simplify right side
    345,271.77x = 99,736,689,710.84
  5. Step 5: Solve for x
    x = 99,736,689,710.84/345,271.77
  6. Step 6: Final answer
    x = 288,864.31

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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.