Finding the Fourth Proportional to 380,686.03, 571,032.99 and 153,086.96
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Solution
The fourth proportional to 380,686.03, 571,032.99 and 153,086.96 is: 229,632.03
Step by Step Solution
- Step 1: Write the proportion equation
380,686.03 : 571,032.99 = 153,086.96 : x - Step 2: Convert to fraction form
380,686.03/571,032.99 = 153,086.96/x - Step 3: Cross multiply
380,686.03x = 571,032.99 × 153,086.96 - Step 4: Simplify right side
380,686.03x = 87,417,705,926.39 - Step 5: Solve for x
x = 87,417,705,926.39/380,686.03 - Step 6: Final answer
x = 229,632.03
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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.