Finding the Fourth Proportional to 552,866.88, 763,191.68 and 371,683.88
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Solution
The fourth proportional to 552,866.88, 763,191.68 and 371,683.88 is: 513,081.99
Step by Step Solution
- Step 1: Write the proportion equation
552,866.88 : 763,191.68 = 371,683.88 : x - Step 2: Convert to fraction form
552,866.88/763,191.68 = 371,683.88/x - Step 3: Cross multiply
552,866.88x = 763,191.68 × 371,683.88 - Step 4: Simplify right side
552,866.88x = 283,666,039,131.74 - Step 5: Solve for x
x = 283,666,039,131.74/552,866.88 - Step 6: Final answer
x = 513,081.99
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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.