Finding the Fourth Proportional to 991,300.68, 1,486,952.44 and 243,346.68
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Solution
The fourth proportional to 991,300.68, 1,486,952.44 and 243,346.68 is: 365,020.37
Step by Step Solution
- Step 1: Write the proportion equation
991,300.68 : 1,486,952.44 = 243,346.68 : x - Step 2: Convert to fraction form
991,300.68/1,486,952.44 = 243,346.68/x - Step 3: Cross multiply
991,300.68x = 1,486,952.44 × 243,346.68 - Step 4: Simplify right side
991,300.68x = 361,844,938,983.53 - Step 5: Solve for x
x = 361,844,938,983.53/991,300.68 - Step 6: Final answer
x = 365,020.37
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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.