Finding the Fourth Proportional to 432,423.75, 648,637.92 and 283,606.44
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Solution
The fourth proportional to 432,423.75, 648,637.92 and 283,606.44 is: 425,411.17
Step by Step Solution
- Step 1: Write the proportion equation
432,423.75 : 648,637.92 = 283,606.44 : x - Step 2: Convert to fraction form
432,423.75/648,637.92 = 283,606.44/x - Step 3: Cross multiply
432,423.75x = 648,637.92 × 283,606.44 - Step 4: Simplify right side
432,423.75x = 183,957,891,340.21 - Step 5: Solve for x
x = 183,957,891,340.21/432,423.75 - Step 6: Final answer
x = 425,411.17
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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.