Finding the Fourth Proportional to 478,530.08, 660,362.88 and 263,690.08
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Solution
The fourth proportional to 478,530.08, 660,362.88 and 263,690.08 is: 363,887.55
Step by Step Solution
- Step 1: Write the proportion equation
478,530.08 : 660,362.88 = 263,690.08 : x - Step 2: Convert to fraction form
478,530.08/660,362.88 = 263,690.08/x - Step 3: Cross multiply
478,530.08x = 660,362.88 × 263,690.08 - Step 4: Simplify right side
478,530.08x = 174,131,140,656.23 - Step 5: Solve for x
x = 174,131,140,656.23/478,530.08 - Step 6: Final answer
x = 363,887.55
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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.