Finding the Fourth Proportional to 448,953.95, 619,569.51 and 245,017.99
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Solution
The fourth proportional to 448,953.95, 619,569.51 and 245,017.99 is: 338,131.95
Step by Step Solution
- Step 1: Write the proportion equation
448,953.95 : 619,569.51 = 245,017.99 : x - Step 2: Convert to fraction form
448,953.95/619,569.51 = 245,017.99/x - Step 3: Cross multiply
448,953.95x = 619,569.51 × 245,017.99 - Step 4: Simplify right side
448,953.95x = 151,805,672,907.64 - Step 5: Solve for x
x = 151,805,672,907.64/448,953.95 - Step 6: Final answer
x = 338,131.95
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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.