Finding the Fourth Proportional to 319,724.55, 441,219.93 and 176,484.63
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Solution
The fourth proportional to 319,724.55, 441,219.93 and 176,484.63 is: 243,548.82
Step by Step Solution
- Step 1: Write the proportion equation
319,724.55 : 441,219.93 = 176,484.63 : x - Step 2: Convert to fraction form
319,724.55/441,219.93 = 176,484.63/x - Step 3: Cross multiply
319,724.55x = 441,219.93 × 176,484.63 - Step 4: Simplify right side
319,724.55x = 77,868,536,094.68 - Step 5: Solve for x
x = 77,868,536,094.68/319,724.55 - Step 6: Final answer
x = 243,548.82
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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.