Home / 289,910.18-400,075.37-160,868.27

Finding the Fourth Proportional to 289,910.18, 400,075.37 and 160,868.27

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Solution

The fourth proportional to 289,910.18, 400,075.37 and 160,868.27 is: 221,997.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    289,910.18 : 400,075.37 = 160,868.27 : x
  2. Step 2: Convert to fraction form
    289,910.18/400,075.37 = 160,868.27/x
  3. Step 3: Cross multiply
    289,910.18x = 400,075.37 × 160,868.27
  4. Step 4: Simplify right side
    289,910.18x = 64,359,432,641.51
  5. Step 5: Solve for x
    x = 64,359,432,641.51/289,910.18
  6. Step 6: Final answer
    x = 221,997.84

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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.