Finding the Fourth Proportional to 536,199.48, 740,020.90 and 309,844.98
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Solution
The fourth proportional to 536,199.48, 740,020.90 and 309,844.98 is: 427,623.99
Step by Step Solution
- Step 1: Write the proportion equation
536,199.48 : 740,020.90 = 309,844.98 : x - Step 2: Convert to fraction form
536,199.48/740,020.90 = 309,844.98/x - Step 3: Cross multiply
536,199.48x = 740,020.90 × 309,844.98 - Step 4: Simplify right side
536,199.48x = 229,291,760,960.08 - Step 5: Solve for x
x = 229,291,760,960.08/536,199.48 - Step 6: Final answer
x = 427,623.99
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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.