Home / 283,013.09-390,551.73-162,225.59

Finding the Fourth Proportional to 283,013.09, 390,551.73 and 162,225.59

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Solution

The fourth proportional to 283,013.09, 390,551.73 and 162,225.59 is: 223,867.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    283,013.09 : 390,551.73 = 162,225.59 : x
  2. Step 2: Convert to fraction form
    283,013.09/390,551.73 = 162,225.59/x
  3. Step 3: Cross multiply
    283,013.09x = 390,551.73 × 162,225.59
  4. Step 4: Simplify right side
    283,013.09x = 63,357,482,263.67
  5. Step 5: Solve for x
    x = 63,357,482,263.67/283,013.09
  6. Step 6: Final answer
    x = 223,867.68

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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.