Finding the Fourth Proportional to 371,242.16, 512,315.88 and 201,476.48
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Solution
The fourth proportional to 371,242.16, 512,315.88 and 201,476.48 is: 278,038.46
Step by Step Solution
- Step 1: Write the proportion equation
371,242.16 : 512,315.88 = 201,476.48 : x - Step 2: Convert to fraction form
371,242.16/512,315.88 = 201,476.48/x - Step 3: Cross multiply
371,242.16x = 512,315.88 × 201,476.48 - Step 4: Simplify right side
371,242.16x = 103,219,600,150.50 - Step 5: Solve for x
x = 103,219,600,150.50/371,242.16 - Step 6: Final answer
x = 278,038.46
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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.