Finding the Fourth Proportional to 432,425.97, 648,641.30 and 283,608.68
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Solution
The fourth proportional to 432,425.97, 648,641.30 and 283,608.68 is: 425,414.55
Step by Step Solution
- Step 1: Write the proportion equation
432,425.97 : 648,641.30 = 283,608.68 : x - Step 2: Convert to fraction form
432,425.97/648,641.30 = 283,608.68/x - Step 3: Cross multiply
432,425.97x = 648,641.30 × 283,608.68 - Step 4: Simplify right side
432,425.97x = 183,960,298,225.23 - Step 5: Solve for x
x = 183,960,298,225.23/432,425.97 - Step 6: Final answer
x = 425,414.55
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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.