Home / 438,075.46-604,530.57-247,086.10

Finding the Fourth Proportional to 438,075.46, 604,530.57 and 247,086.10

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Solution

The fourth proportional to 438,075.46, 604,530.57 and 247,086.10 is: 340,971.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    438,075.46 : 604,530.57 = 247,086.10 : x
  2. Step 2: Convert to fraction form
    438,075.46/604,530.57 = 247,086.10/x
  3. Step 3: Cross multiply
    438,075.46x = 604,530.57 × 247,086.10
  4. Step 4: Simplify right side
    438,075.46x = 149,371,100,872.08
  5. Step 5: Solve for x
    x = 149,371,100,872.08/438,075.46
  6. Step 6: Final answer
    x = 340,971.17

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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.