Home / 370,971.90-556,457.85-238,111.65

Finding the Fourth Proportional to 370,971.90, 556,457.85 and 238,111.65

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Solution

The fourth proportional to 370,971.90, 556,457.85 and 238,111.65 is: 357,167.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    370,971.90 : 556,457.85 = 238,111.65 : x
  2. Step 2: Convert to fraction form
    370,971.90/556,457.85 = 238,111.65/x
  3. Step 3: Cross multiply
    370,971.90x = 556,457.85 × 238,111.65
  4. Step 4: Simplify right side
    370,971.90x = 132,499,096,818.95
  5. Step 5: Solve for x
    x = 132,499,096,818.95/370,971.90
  6. Step 6: Final answer
    x = 357,167.48

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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.