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Finding the Fourth Proportional to 371,501.58, 512,802.99 and 220,597.50

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Solution

The fourth proportional to 371,501.58, 512,802.99 and 220,597.50 is: 304,502.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    371,501.58 : 512,802.99 = 220,597.50 : x
  2. Step 2: Convert to fraction form
    371,501.58/512,802.99 = 220,597.50/x
  3. Step 3: Cross multiply
    371,501.58x = 512,802.99 × 220,597.50
  4. Step 4: Simplify right side
    371,501.58x = 113,123,057,586.53
  5. Step 5: Solve for x
    x = 113,123,057,586.53/371,501.58
  6. Step 6: Final answer
    x = 304,502.22

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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.