Finding the Fourth Proportional to 205,521.23, 307,506.68 and 121,327.20
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Solution
The fourth proportional to 205,521.23, 307,506.68 and 121,327.20 is: 181,533.19
Step by Step Solution
- Step 1: Write the proportion equation
205,521.23 : 307,506.68 = 121,327.20 : x - Step 2: Convert to fraction form
205,521.23/307,506.68 = 121,327.20/x - Step 3: Cross multiply
205,521.23x = 307,506.68 × 121,327.20 - Step 4: Simplify right side
205,521.23x = 37,308,924,314.04 - Step 5: Solve for x
x = 37,308,924,314.04/205,521.23 - Step 6: Final answer
x = 181,533.19
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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.