Finding the Fourth Proportional to 368,675.63, 508,763.99 and 205,331.03
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Solution
The fourth proportional to 368,675.63, 508,763.99 and 205,331.03 is: 283,352.15
Step by Step Solution
- Step 1: Write the proportion equation
368,675.63 : 508,763.99 = 205,331.03 : x - Step 2: Convert to fraction form
368,675.63/508,763.99 = 205,331.03/x - Step 3: Cross multiply
368,675.63x = 508,763.99 × 205,331.03 - Step 4: Simplify right side
368,675.63x = 104,465,032,063.12 - Step 5: Solve for x
x = 104,465,032,063.12/368,675.63 - Step 6: Final answer
x = 283,352.15
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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.