Home / 339,579.16-468,622.02-212,328.52

Finding the Fourth Proportional to 339,579.16, 468,622.02 and 212,328.52

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Solution

The fourth proportional to 339,579.16, 468,622.02 and 212,328.52 is: 293,015.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    339,579.16 : 468,622.02 = 212,328.52 : x
  2. Step 2: Convert to fraction form
    339,579.16/468,622.02 = 212,328.52/x
  3. Step 3: Cross multiply
    339,579.16x = 468,622.02 × 212,328.52
  4. Step 4: Simplify right side
    339,579.16x = 99,501,819,946.01
  5. Step 5: Solve for x
    x = 99,501,819,946.01/339,579.16
  6. Step 6: Final answer
    x = 293,015.10

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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.