Finding the Fourth Proportional to 438,963.99, 657,937.71 and 201,808.95
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Solution
The fourth proportional to 438,963.99, 657,937.71 and 201,808.95 is: 302,479.75
Step by Step Solution
- Step 1: Write the proportion equation
438,963.99 : 657,937.71 = 201,808.95 : x - Step 2: Convert to fraction form
438,963.99/657,937.71 = 201,808.95/x - Step 3: Cross multiply
438,963.99x = 657,937.71 × 201,808.95 - Step 4: Simplify right side
438,963.99x = 132,777,718,420.51 - Step 5: Solve for x
x = 132,777,718,420.51/438,963.99 - Step 6: Final answer
x = 302,479.75
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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.