Home / 368,116.10-552,692.55-289,319.30

Finding the Fourth Proportional to 368,116.10, 552,692.55 and 289,319.30

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Solution

The fourth proportional to 368,116.10, 552,692.55 and 289,319.30 is: 434,386.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    368,116.10 : 552,692.55 = 289,319.30 : x
  2. Step 2: Convert to fraction form
    368,116.10/552,692.55 = 289,319.30/x
  3. Step 3: Cross multiply
    368,116.10x = 552,692.55 × 289,319.30
  4. Step 4: Simplify right side
    368,116.10x = 159,904,621,681.22
  5. Step 5: Solve for x
    x = 159,904,621,681.22/368,116.10
  6. Step 6: Final answer
    x = 434,386.38

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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.