Home / 470,070.81-648,699.03-255,211.83

Finding the Fourth Proportional to 470,070.81, 648,699.03 and 255,211.83

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Solution

The fourth proportional to 470,070.81, 648,699.03 and 255,211.83 is: 352,193.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    470,070.81 : 648,699.03 = 255,211.83 : x
  2. Step 2: Convert to fraction form
    470,070.81/648,699.03 = 255,211.83/x
  3. Step 3: Cross multiply
    470,070.81x = 648,699.03 × 255,211.83
  4. Step 4: Simplify right side
    470,070.81x = 165,555,666,565.53
  5. Step 5: Solve for x
    x = 165,555,666,565.53/470,070.81
  6. Step 6: Final answer
    x = 352,193.04

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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.