Finding the Fourth Proportional to 438,048.48, 604,506.06 and 247,061.28
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Solution
The fourth proportional to 438,048.48, 604,506.06 and 247,061.28 is: 340,944.09
Step by Step Solution
- Step 1: Write the proportion equation
438,048.48 : 604,506.06 = 247,061.28 : x - Step 2: Convert to fraction form
438,048.48/604,506.06 = 247,061.28/x - Step 3: Cross multiply
438,048.48x = 604,506.06 × 247,061.28 - Step 4: Simplify right side
438,048.48x = 149,350,040,951.36 - Step 5: Solve for x
x = 149,350,040,951.36/438,048.48 - Step 6: Final answer
x = 340,944.09
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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.