Finding the Fourth Proportional to 984,213.68, 1,476,320.64 and 236,259.68
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Solution
The fourth proportional to 984,213.68, 1,476,320.64 and 236,259.68 is: 354,389.55
Step by Step Solution
- Step 1: Write the proportion equation
984,213.68 : 1,476,320.64 = 236,259.68 : x - Step 2: Convert to fraction form
984,213.68/1,476,320.64 = 236,259.68/x - Step 3: Cross multiply
984,213.68x = 1,476,320.64 × 236,259.68 - Step 4: Simplify right side
984,213.68x = 348,795,041,983.80 - Step 5: Solve for x
x = 348,795,041,983.80/984,213.68 - Step 6: Final answer
x = 354,389.55
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1.5x scale
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.