Home / 643,041.67-964,468.59-187,510.49

Finding the Fourth Proportional to 643,041.67, 964,468.59 and 187,510.49

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Solution

The fourth proportional to 643,041.67, 964,468.59 and 187,510.49 is: 281,238.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    643,041.67 : 964,468.59 = 187,510.49 : x
  2. Step 2: Convert to fraction form
    643,041.67/964,468.59 = 187,510.49/x
  3. Step 3: Cross multiply
    643,041.67x = 964,468.59 × 187,510.49
  4. Step 4: Simplify right side
    643,041.67x = 180,847,977,900.51
  5. Step 5: Solve for x
    x = 180,847,977,900.51/643,041.67
  6. Step 6: Final answer
    x = 281,238.35

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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.