Home / 389,618.60-583,967.10-202,533.80

Finding the Fourth Proportional to 389,618.60, 583,967.10 and 202,533.80

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Solution

The fourth proportional to 389,618.60, 583,967.10 and 202,533.80 is: 303,561.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    389,618.60 : 583,967.10 = 202,533.80 : x
  2. Step 2: Convert to fraction form
    389,618.60/583,967.10 = 202,533.80/x
  3. Step 3: Cross multiply
    389,618.60x = 583,967.10 × 202,533.80
  4. Step 4: Simplify right side
    389,618.60x = 118,273,075,837.98
  5. Step 5: Solve for x
    x = 118,273,075,837.98/389,618.60
  6. Step 6: Final answer
    x = 303,561.16

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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.