Home / 272,911.48-376,616.89-152,054.21

Finding the Fourth Proportional to 272,911.48, 376,616.89 and 152,054.21

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Solution

The fourth proportional to 272,911.48, 376,616.89 and 152,054.21 is: 209,834.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    272,911.48 : 376,616.89 = 152,054.21 : x
  2. Step 2: Convert to fraction form
    272,911.48/376,616.89 = 152,054.21/x
  3. Step 3: Cross multiply
    272,911.48x = 376,616.89 × 152,054.21
  4. Step 4: Simplify right side
    272,911.48x = 57,266,184,813.22
  5. Step 5: Solve for x
    x = 57,266,184,813.22/272,911.48
  6. Step 6: Final answer
    x = 209,834.29

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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.