Home / 549,701.40-824,465.70-194,664.60

Finding the Fourth Proportional to 549,701.40, 824,465.70 and 194,664.60

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Solution

The fourth proportional to 549,701.40, 824,465.70 and 194,664.60 is: 291,966.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    549,701.40 : 824,465.70 = 194,664.60 : x
  2. Step 2: Convert to fraction form
    549,701.40/824,465.70 = 194,664.60/x
  3. Step 3: Cross multiply
    549,701.40x = 824,465.70 × 194,664.60
  4. Step 4: Simplify right side
    549,701.40x = 160,494,285,704.22
  5. Step 5: Solve for x
    x = 160,494,285,704.22/549,701.40
  6. Step 6: Final answer
    x = 291,966.30

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.