Home / 396,070.50-546,562.08-214,779.12

Finding the Fourth Proportional to 396,070.50, 546,562.08 and 214,779.12

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Solution

The fourth proportional to 396,070.50, 546,562.08 and 214,779.12 is: 296,386.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    396,070.50 : 546,562.08 = 214,779.12 : x
  2. Step 2: Convert to fraction form
    396,070.50/546,562.08 = 214,779.12/x
  3. Step 3: Cross multiply
    396,070.50x = 546,562.08 × 214,779.12
  4. Step 4: Simplify right side
    396,070.50x = 117,390,122,567.77
  5. Step 5: Solve for x
    x = 117,390,122,567.77/396,070.50
  6. Step 6: Final answer
    x = 296,386.94

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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.