Finding the Fourth Proportional to 272,421.36, 376,126.70 and 170,488.12
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Solution
The fourth proportional to 272,421.36, 376,126.70 and 170,488.12 is: 235,389.52
Step by Step Solution
- Step 1: Write the proportion equation
272,421.36 : 376,126.70 = 170,488.12 : x - Step 2: Convert to fraction form
272,421.36/376,126.70 = 170,488.12/x - Step 3: Cross multiply
272,421.36x = 376,126.70 × 170,488.12 - Step 4: Simplify right side
272,421.36x = 64,125,133,964.80 - Step 5: Solve for x
x = 64,125,133,964.80/272,421.36 - Step 6: Final answer
x = 235,389.52
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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.