Finding the Fourth Proportional to 529,191.16, 730,586.55 and 348,428.08
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Solution
The fourth proportional to 529,191.16, 730,586.55 and 348,428.08 is: 481,030.09
Step by Step Solution
- Step 1: Write the proportion equation
529,191.16 : 730,586.55 = 348,428.08 : x - Step 2: Convert to fraction form
529,191.16/730,586.55 = 348,428.08/x - Step 3: Cross multiply
529,191.16x = 730,586.55 × 348,428.08 - Step 4: Simplify right side
529,191.16x = 254,556,868,890.32 - Step 5: Solve for x
x = 254,556,868,890.32/529,191.16 - Step 6: Final answer
x = 481,030.09
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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.