Home / 216,281.84-296,301.18-208,195.64

Finding the Fourth Proportional to 216,281.84, 296,301.18 and 208,195.64

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Solution

The fourth proportional to 216,281.84, 296,301.18 and 208,195.64 is: 285,223.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    216,281.84 : 296,301.18 = 208,195.64 : x
  2. Step 2: Convert to fraction form
    216,281.84/296,301.18 = 208,195.64/x
  3. Step 3: Cross multiply
    216,281.84x = 296,301.18 × 208,195.64
  4. Step 4: Simplify right side
    216,281.84x = 61,688,613,802.86
  5. Step 5: Solve for x
    x = 61,688,613,802.86/216,281.84
  6. Step 6: Final answer
    x = 285,223.27

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.