Finding the Fourth Proportional to 371,121.30, 556,681.95 and 371,121.30
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Solution
The fourth proportional to 371,121.30, 556,681.95 and 371,121.30 is: 556,681.95
Step by Step Solution
- Step 1: Write the proportion equation
371,121.30 : 556,681.95 = 371,121.30 : x - Step 2: Convert to fraction form
371,121.30/556,681.95 = 371,121.30/x - Step 3: Cross multiply
371,121.30x = 556,681.95 × 371,121.30 - Step 4: Simplify right side
371,121.30x = 206,596,528,970.54 - Step 5: Solve for x
x = 206,596,528,970.54/371,121.30 - Step 6: Final answer
x = 556,681.95
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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.