Finding the Fourth Proportional to 266,215.80, 399,433.05 and 97,816.80
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Solution
The fourth proportional to 266,215.80, 399,433.05 and 97,816.80 is: 146,765.38
Step by Step Solution
- Step 1: Write the proportion equation
266,215.80 : 399,433.05 = 97,816.80 : x - Step 2: Convert to fraction form
266,215.80/399,433.05 = 97,816.80/x - Step 3: Cross multiply
266,215.80x = 399,433.05 × 97,816.80 - Step 4: Simplify right side
266,215.80x = 39,071,262,765.24 - Step 5: Solve for x
x = 39,071,262,765.24/266,215.80 - Step 6: Final answer
x = 146,765.38
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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.