Finding the Fourth Proportional to 371,844.24, 513,128.43 and 210,689.88
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Solution
The fourth proportional to 371,844.24, 513,128.43 and 210,689.88 is: 290,742.62
Step by Step Solution
- Step 1: Write the proportion equation
371,844.24 : 513,128.43 = 210,689.88 : x - Step 2: Convert to fraction form
371,844.24/513,128.43 = 210,689.88/x - Step 3: Cross multiply
371,844.24x = 513,128.43 × 210,689.88 - Step 4: Simplify right side
371,844.24x = 108,110,967,341.29 - Step 5: Solve for x
x = 108,110,967,341.29/371,844.24 - Step 6: Final answer
x = 290,742.62
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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.