Finding the Fourth Proportional to 915,049.14, 1,372,757.16 and 316,032.26
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Solution
The fourth proportional to 915,049.14, 1,372,757.16 and 316,032.26 is: 474,111.75
Step by Step Solution
- Step 1: Write the proportion equation
915,049.14 : 1,372,757.16 = 316,032.26 : x - Step 2: Convert to fraction form
915,049.14/1,372,757.16 = 316,032.26/x - Step 3: Cross multiply
915,049.14x = 1,372,757.16 × 316,032.26 - Step 4: Simplify right side
915,049.14x = 433,835,547,705.98 - Step 5: Solve for x
x = 433,835,547,705.98/915,049.14 - Step 6: Final answer
x = 474,111.75
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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.