Finding the Fourth Proportional to 417,648.18, 576,356.40 and 226,661.79
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Solution
The fourth proportional to 417,648.18, 576,356.40 and 226,661.79 is: 312,794.31
Step by Step Solution
- Step 1: Write the proportion equation
417,648.18 : 576,356.40 = 226,661.79 : x - Step 2: Convert to fraction form
417,648.18/576,356.40 = 226,661.79/x - Step 3: Cross multiply
417,648.18x = 576,356.40 × 226,661.79 - Step 4: Simplify right side
417,648.18x = 130,637,973,301.96 - Step 5: Solve for x
x = 130,637,973,301.96/417,648.18 - Step 6: Final answer
x = 312,794.31
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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.