Home / 382,075.40-527,269.52-210,009.28

Finding the Fourth Proportional to 382,075.40, 527,269.52 and 210,009.28

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Solution

The fourth proportional to 382,075.40, 527,269.52 and 210,009.28 is: 289,815.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    382,075.40 : 527,269.52 = 210,009.28 : x
  2. Step 2: Convert to fraction form
    382,075.40/527,269.52 = 210,009.28/x
  3. Step 3: Cross multiply
    382,075.40x = 527,269.52 × 210,009.28
  4. Step 4: Simplify right side
    382,075.40x = 110,731,488,574.75
  5. Step 5: Solve for x
    x = 110,731,488,574.75/382,075.40
  6. Step 6: Final answer
    x = 289,815.80

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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.