Home / 309,692.07-464,224.37-209,862.36

Finding the Fourth Proportional to 309,692.07, 464,224.37 and 209,862.36

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Solution

The fourth proportional to 309,692.07, 464,224.37 and 209,862.36 is: 314,580.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    309,692.07 : 464,224.37 = 209,862.36 : x
  2. Step 2: Convert to fraction form
    309,692.07/464,224.37 = 209,862.36/x
  3. Step 3: Cross multiply
    309,692.07x = 464,224.37 × 209,862.36
  4. Step 4: Simplify right side
    309,692.07x = 97,423,220,808.40
  5. Step 5: Solve for x
    x = 97,423,220,808.40/309,692.07
  6. Step 6: Final answer
    x = 314,580.93

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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.