Finding the Fourth Proportional to 272,186.05, 375,637.77 and 163,294.48
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Solution
The fourth proportional to 272,186.05, 375,637.77 and 163,294.48 is: 225,358.99
Step by Step Solution
- Step 1: Write the proportion equation
272,186.05 : 375,637.77 = 163,294.48 : x - Step 2: Convert to fraction form
272,186.05/375,637.77 = 163,294.48/x - Step 3: Cross multiply
272,186.05x = 375,637.77 × 163,294.48 - Step 4: Simplify right side
272,186.05x = 61,339,574,320.51 - Step 5: Solve for x
x = 61,339,574,320.51/272,186.05 - Step 6: Final answer
x = 225,358.99
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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.