Home / 314,402.32-433,984.55-187,075.18

Finding the Fourth Proportional to 314,402.32, 433,984.55 and 187,075.18

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Solution

The fourth proportional to 314,402.32, 433,984.55 and 187,075.18 is: 258,228.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    314,402.32 : 433,984.55 = 187,075.18 : x
  2. Step 2: Convert to fraction form
    314,402.32/433,984.55 = 187,075.18/x
  3. Step 3: Cross multiply
    314,402.32x = 433,984.55 × 187,075.18
  4. Step 4: Simplify right side
    314,402.32x = 81,187,737,808.47
  5. Step 5: Solve for x
    x = 81,187,737,808.47/314,402.32
  6. Step 6: Final answer
    x = 258,228.81

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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.