Home / 377,010.36-520,274.34-215,918.82

Finding the Fourth Proportional to 377,010.36, 520,274.34 and 215,918.82

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Solution

The fourth proportional to 377,010.36, 520,274.34 and 215,918.82 is: 297,968.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    377,010.36 : 520,274.34 = 215,918.82 : x
  2. Step 2: Convert to fraction form
    377,010.36/520,274.34 = 215,918.82/x
  3. Step 3: Cross multiply
    377,010.36x = 520,274.34 × 215,918.82
  4. Step 4: Simplify right side
    377,010.36x = 112,337,021,569.08
  5. Step 5: Solve for x
    x = 112,337,021,569.08/377,010.36
  6. Step 6: Final answer
    x = 297,968.00

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1.5x scale

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.