Finding the Fourth Proportional to 283,075.79, 390,767.16 and 202,363.34
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Solution
The fourth proportional to 283,075.79, 390,767.16 and 202,363.34 is: 279,349.03
Step by Step Solution
- Step 1: Write the proportion equation
283,075.79 : 390,767.16 = 202,363.34 : x - Step 2: Convert to fraction form
283,075.79/390,767.16 = 202,363.34/x - Step 3: Cross multiply
283,075.79x = 390,767.16 × 202,363.34 - Step 4: Simplify right side
283,075.79x = 79,076,945,706.08 - Step 5: Solve for x
x = 79,076,945,706.08/283,075.79 - Step 6: Final answer
x = 279,349.03
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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.