Home / 218,421.02-301,513.98-146,842.55

Finding the Fourth Proportional to 218,421.02, 301,513.98 and 146,842.55

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Solution

The fourth proportional to 218,421.02, 301,513.98 and 146,842.55 is: 202,705.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    218,421.02 : 301,513.98 = 146,842.55 : x
  2. Step 2: Convert to fraction form
    218,421.02/301,513.98 = 146,842.55/x
  3. Step 3: Cross multiply
    218,421.02x = 301,513.98 × 146,842.55
  4. Step 4: Simplify right side
    218,421.02x = 44,275,081,683.85
  5. Step 5: Solve for x
    x = 44,275,081,683.85/218,421.02
  6. Step 6: Final answer
    x = 202,705.22

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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.