Finding the Fourth Proportional to 220,830.48, 304,773.60 and 125,368.08
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Solution
The fourth proportional to 220,830.48, 304,773.60 and 125,368.08 is: 173,023.58
Step by Step Solution
- Step 1: Write the proportion equation
220,830.48 : 304,773.60 = 125,368.08 : x - Step 2: Convert to fraction form
220,830.48/304,773.60 = 125,368.08/x - Step 3: Cross multiply
220,830.48x = 304,773.60 × 125,368.08 - Step 4: Simplify right side
220,830.48x = 38,208,881,066.69 - Step 5: Solve for x
x = 38,208,881,066.69/220,830.48 - Step 6: Final answer
x = 173,023.58
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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.