Finding the Fourth Proportional to 432,238.68, 647,812.64 and 219,060.17
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Solution
The fourth proportional to 432,238.68, 647,812.64 and 219,060.17 is: 328,313.86
Step by Step Solution
- Step 1: Write the proportion equation
432,238.68 : 647,812.64 = 219,060.17 : x - Step 2: Convert to fraction form
432,238.68/647,812.64 = 219,060.17/x - Step 3: Cross multiply
432,238.68x = 647,812.64 × 219,060.17 - Step 4: Simplify right side
432,238.68x = 141,909,947,374.19 - Step 5: Solve for x
x = 141,909,947,374.19/432,238.68 - Step 6: Final answer
x = 328,313.86
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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.