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Finding the Fourth Proportional to 344,278.84, 475,161.15 and 286,827.06

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Solution

The fourth proportional to 344,278.84, 475,161.15 and 286,827.06 is: 395,868.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    344,278.84 : 475,161.15 = 286,827.06 : x
  2. Step 2: Convert to fraction form
    344,278.84/475,161.15 = 286,827.06/x
  3. Step 3: Cross multiply
    344,278.84x = 475,161.15 × 286,827.06
  4. Step 4: Simplify right side
    344,278.84x = 136,289,075,680.72
  5. Step 5: Solve for x
    x = 136,289,075,680.72/344,278.84
  6. Step 6: Final answer
    x = 395,868.29

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1.5x scale

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.