Home / 283,117.17-390,717.86-162,278.60

Finding the Fourth Proportional to 283,117.17, 390,717.86 and 162,278.60

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Solution

The fourth proportional to 283,117.17, 390,717.86 and 162,278.60 is: 223,953.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    283,117.17 : 390,717.86 = 162,278.60 : x
  2. Step 2: Convert to fraction form
    283,117.17/390,717.86 = 162,278.60/x
  3. Step 3: Cross multiply
    283,117.17x = 390,717.86 × 162,278.60
  4. Step 4: Simplify right side
    283,117.17x = 63,405,144,550.81
  5. Step 5: Solve for x
    x = 63,405,144,550.81/283,117.17
  6. Step 6: Final answer
    x = 223,953.72

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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.