Finding the Fourth Proportional to 917,552.40, 1,376,328.60 and 243,737.70
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Solution
The fourth proportional to 917,552.40, 1,376,328.60 and 243,737.70 is: 365,606.55
Step by Step Solution
- Step 1: Write the proportion equation
917,552.40 : 1,376,328.60 = 243,737.70 : x - Step 2: Convert to fraction form
917,552.40/1,376,328.60 = 243,737.70/x - Step 3: Cross multiply
917,552.40x = 1,376,328.60 × 243,737.70 - Step 4: Simplify right side
917,552.40x = 335,463,167,408.22 - Step 5: Solve for x
x = 335,463,167,408.22/917,552.40 - Step 6: Final answer
x = 365,606.55
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1.5x scale
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.