Finding the Fourth Proportional to 447,503.19, 671,152.24 and 127,648.99
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Solution
The fourth proportional to 447,503.19, 671,152.24 and 127,648.99 is: 191,444.23
Step by Step Solution
- Step 1: Write the proportion equation
447,503.19 : 671,152.24 = 127,648.99 : x - Step 2: Convert to fraction form
447,503.19/671,152.24 = 127,648.99/x - Step 3: Cross multiply
447,503.19x = 671,152.24 × 127,648.99 - Step 4: Simplify right side
447,503.19x = 85,671,905,572.24 - Step 5: Solve for x
x = 85,671,905,572.24/447,503.19 - Step 6: Final answer
x = 191,444.23
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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.