Finding the Fourth Proportional to 478,263.08, 660,032.90 and 263,403.09
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Solution
The fourth proportional to 478,263.08, 660,032.90 and 263,403.09 is: 363,512.70
Step by Step Solution
- Step 1: Write the proportion equation
478,263.08 : 660,032.90 = 263,403.09 : x - Step 2: Convert to fraction form
478,263.08/660,032.90 = 263,403.09/x - Step 3: Cross multiply
478,263.08x = 660,032.90 × 263,403.09 - Step 4: Simplify right side
478,263.08x = 173,854,706,514.05 - Step 5: Solve for x
x = 173,854,706,514.05/478,263.08 - Step 6: Final answer
x = 363,512.70
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.