Home / 210,006.20-287,489.98-208,505.36

Finding the Fourth Proportional to 210,006.20, 287,489.98 and 208,505.36

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Solution

The fourth proportional to 210,006.20, 287,489.98 and 208,505.36 is: 285,435.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    210,006.20 : 287,489.98 = 208,505.36 : x
  2. Step 2: Convert to fraction form
    210,006.20/287,489.98 = 208,505.36/x
  3. Step 3: Cross multiply
    210,006.20x = 287,489.98 × 208,505.36
  4. Step 4: Simplify right side
    210,006.20x = 59,943,201,776.29
  5. Step 5: Solve for x
    x = 59,943,201,776.29/210,006.20
  6. Step 6: Final answer
    x = 285,435.39

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.