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Finding the Fourth Proportional to 636,716.14, 955,192.34 and 210,281.51

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Solution

The fourth proportional to 636,716.14, 955,192.34 and 210,281.51 is: 315,461.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    636,716.14 : 955,192.34 = 210,281.51 : x
  2. Step 2: Convert to fraction form
    636,716.14/955,192.34 = 210,281.51/x
  3. Step 3: Cross multiply
    636,716.14x = 955,192.34 × 210,281.51
  4. Step 4: Simplify right side
    636,716.14x = 200,859,287,595.63
  5. Step 5: Solve for x
    x = 200,859,287,595.63/636,716.14
  6. Step 6: Final answer
    x = 315,461.28

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1.5x scale

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.