Finding the Fourth Proportional to 474,883.16, 711,193.96 and 274,781.84
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Solution
The fourth proportional to 474,883.16, 711,193.96 and 274,781.84 is: 411,518.46
Step by Step Solution
- Step 1: Write the proportion equation
474,883.16 : 711,193.96 = 274,781.84 : x - Step 2: Convert to fraction form
474,883.16/711,193.96 = 274,781.84/x - Step 3: Cross multiply
474,883.16x = 711,193.96 × 274,781.84 - Step 4: Simplify right side
474,883.16x = 195,423,184,925.69 - Step 5: Solve for x
x = 195,423,184,925.69/474,883.16 - Step 6: Final answer
x = 411,518.46
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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.