Finding the Fourth Proportional to 671,089.68, 926,103.42 and 369,283.68
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Solution
The fourth proportional to 671,089.68, 926,103.42 and 369,283.68 is: 509,611.29
Step by Step Solution
- Step 1: Write the proportion equation
671,089.68 : 926,103.42 = 369,283.68 : x - Step 2: Convert to fraction form
671,089.68/926,103.42 = 369,283.68/x - Step 3: Cross multiply
671,089.68x = 926,103.42 × 369,283.68 - Step 4: Simplify right side
671,089.68x = 341,994,878,998.19 - Step 5: Solve for x
x = 341,994,878,998.19/671,089.68 - Step 6: Final answer
x = 509,611.29
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.