Home / 657,355.08-985,933.48-208,017.60

Finding the Fourth Proportional to 657,355.08, 985,933.48 and 208,017.60

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Solution

The fourth proportional to 657,355.08, 985,933.48 and 208,017.60 is: 311,995.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    657,355.08 : 985,933.48 = 208,017.60 : x
  2. Step 2: Convert to fraction form
    657,355.08/985,933.48 = 208,017.60/x
  3. Step 3: Cross multiply
    657,355.08x = 985,933.48 × 208,017.60
  4. Step 4: Simplify right side
    657,355.08x = 205,091,516,269.25
  5. Step 5: Solve for x
    x = 205,091,516,269.25/657,355.08
  6. Step 6: Final answer
    x = 311,995.03

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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.