Home / 238,421.90-328,885.35-148,842.38

Finding the Fourth Proportional to 238,421.90, 328,885.35 and 148,842.38

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Solution

The fourth proportional to 238,421.90, 328,885.35 and 148,842.38 is: 205,317.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    238,421.90 : 328,885.35 = 148,842.38 : x
  2. Step 2: Convert to fraction form
    238,421.90/328,885.35 = 148,842.38/x
  3. Step 3: Cross multiply
    238,421.90x = 328,885.35 × 148,842.38
  4. Step 4: Simplify right side
    238,421.90x = 48,952,076,596.71
  5. Step 5: Solve for x
    x = 48,952,076,596.71/238,421.90
  6. Step 6: Final answer
    x = 205,317.04

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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.