Home / 546,938.73-820,408.10-147,579.50

Finding the Fourth Proportional to 546,938.73, 820,408.10 and 147,579.50

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Solution

The fourth proportional to 546,938.73, 820,408.10 and 147,579.50 is: 221,369.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    546,938.73 : 820,408.10 = 147,579.50 : x
  2. Step 2: Convert to fraction form
    546,938.73/820,408.10 = 147,579.50/x
  3. Step 3: Cross multiply
    546,938.73x = 820,408.10 × 147,579.50
  4. Step 4: Simplify right side
    546,938.73x = 121,075,418,507.07
  5. Step 5: Solve for x
    x = 121,075,418,507.07/546,938.73
  6. Step 6: Final answer
    x = 221,369.25

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1.5x scale

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.