Finding the Fourth Proportional to 353,803.74, 488,172.99 and 210,535.80
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Solution
The fourth proportional to 353,803.74, 488,172.99 and 210,535.80 is: 290,494.08
Step by Step Solution
- Step 1: Write the proportion equation
353,803.74 : 488,172.99 = 210,535.80 : x - Step 2: Convert to fraction form
353,803.74/488,172.99 = 210,535.80/x - Step 3: Cross multiply
353,803.74x = 488,172.99 × 210,535.80 - Step 4: Simplify right side
353,803.74x = 102,777,890,988.04 - Step 5: Solve for x
x = 102,777,890,988.04/353,803.74 - Step 6: Final answer
x = 290,494.08
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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.