Home / 291,395.17-402,136.28-160,578.37

Finding the Fourth Proportional to 291,395.17, 402,136.28 and 160,578.37

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Solution

The fourth proportional to 291,395.17, 402,136.28 and 160,578.37 is: 221,604.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    291,395.17 : 402,136.28 = 160,578.37 : x
  2. Step 2: Convert to fraction form
    291,395.17/402,136.28 = 160,578.37/x
  3. Step 3: Cross multiply
    291,395.17x = 402,136.28 × 160,578.37
  4. Step 4: Simplify right side
    291,395.17x = 64,574,388,360.26
  5. Step 5: Solve for x
    x = 64,574,388,360.26/291,395.17
  6. Step 6: Final answer
    x = 221,604.18

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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.