Home / 283,038.04-390,648.34-162,260.44

Finding the Fourth Proportional to 283,038.04, 390,648.34 and 162,260.44

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Solution

The fourth proportional to 283,038.04, 390,648.34 and 162,260.44 is: 223,951.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    283,038.04 : 390,648.34 = 162,260.44 : x
  2. Step 2: Convert to fraction form
    283,038.04/390,648.34 = 162,260.44/x
  3. Step 3: Cross multiply
    283,038.04x = 390,648.34 × 162,260.44
  4. Step 4: Simplify right side
    283,038.04x = 63,386,771,533.67
  5. Step 5: Solve for x
    x = 63,386,771,533.67/283,038.04
  6. Step 6: Final answer
    x = 223,951.42

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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.