Finding the Fourth Proportional to 869,195.17, 1,303,979.70 and 292,875.80
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Solution
The fourth proportional to 869,195.17, 1,303,979.70 and 292,875.80 is: 439,376.69
Step by Step Solution
- Step 1: Write the proportion equation
869,195.17 : 1,303,979.70 = 292,875.80 : x - Step 2: Convert to fraction form
869,195.17/1,303,979.70 = 292,875.80/x - Step 3: Cross multiply
869,195.17x = 1,303,979.70 × 292,875.80 - Step 4: Simplify right side
869,195.17x = 381,904,097,821.26 - Step 5: Solve for x
x = 381,904,097,821.26/869,195.17 - Step 6: Final answer
x = 439,376.69
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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.