Finding the Fourth Proportional to 228,972.77, 316,001.91 and 127,031.09
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Solution
The fourth proportional to 228,972.77, 316,001.91 and 127,031.09 is: 175,313.70
Step by Step Solution
- Step 1: Write the proportion equation
228,972.77 : 316,001.91 = 127,031.09 : x - Step 2: Convert to fraction form
228,972.77/316,001.91 = 127,031.09/x - Step 3: Cross multiply
228,972.77x = 316,001.91 × 127,031.09 - Step 4: Simplify right side
228,972.77x = 40,142,065,251.19 - Step 5: Solve for x
x = 40,142,065,251.19/228,972.77 - Step 6: Final answer
x = 175,313.70
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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.