Finding the Fourth Proportional to 247,031.68, 370,569.45 and 102,905.68
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Solution
The fourth proportional to 247,031.68, 370,569.45 and 102,905.68 is: 154,367.66
Step by Step Solution
- Step 1: Write the proportion equation
247,031.68 : 370,569.45 = 102,905.68 : x - Step 2: Convert to fraction form
247,031.68/370,569.45 = 102,905.68/x - Step 3: Cross multiply
247,031.68x = 370,569.45 × 102,905.68 - Step 4: Simplify right side
247,031.68x = 38,133,701,239.48 - Step 5: Solve for x
x = 38,133,701,239.48/247,031.68 - Step 6: Final answer
x = 154,367.66
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.