Finding the Fourth Proportional to 371,639.76, 512,851.14 and 210,509.70
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Solution
The fourth proportional to 371,639.76, 512,851.14 and 210,509.70 is: 290,496.74
Step by Step Solution
- Step 1: Write the proportion equation
371,639.76 : 512,851.14 = 210,509.70 : x - Step 2: Convert to fraction form
371,639.76/512,851.14 = 210,509.70/x - Step 3: Cross multiply
371,639.76x = 512,851.14 × 210,509.70 - Step 4: Simplify right side
371,639.76x = 107,960,139,626.06 - Step 5: Solve for x
x = 107,960,139,626.06/371,639.76 - Step 6: Final answer
x = 290,496.74
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.