Finding the Fourth Proportional to 272,415.96, 375,985.80 and 170,488.80
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Solution
The fourth proportional to 272,415.96, 375,985.80 and 170,488.80 is: 235,306.95
Step by Step Solution
- Step 1: Write the proportion equation
272,415.96 : 375,985.80 = 170,488.80 : x - Step 2: Convert to fraction form
272,415.96/375,985.80 = 170,488.80/x - Step 3: Cross multiply
272,415.96x = 375,985.80 × 170,488.80 - Step 4: Simplify right side
272,415.96x = 64,101,367,859.04 - Step 5: Solve for x
x = 64,101,367,859.04/272,415.96 - Step 6: Final answer
x = 235,306.95
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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.