Finding the Fourth Proportional to 354,070.79, 531,569.14 and 210,239.09
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Solution
The fourth proportional to 354,070.79, 531,569.14 and 210,239.09 is: 315,633.52
Step by Step Solution
- Step 1: Write the proportion equation
354,070.79 : 531,569.14 = 210,239.09 : x - Step 2: Convert to fraction form
354,070.79/531,569.14 = 210,239.09/x - Step 3: Cross multiply
354,070.79x = 531,569.14 × 210,239.09 - Step 4: Simplify right side
354,070.79x = 111,756,609,082.24 - Step 5: Solve for x
x = 111,756,609,082.24/354,070.79 - Step 6: Final answer
x = 315,633.52
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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.