Finding the Fourth Proportional to 474,377.65, 711,881.63 and 221,677.70
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Solution
The fourth proportional to 474,377.65, 711,881.63 and 221,677.70 is: 332,663.82
Step by Step Solution
- Step 1: Write the proportion equation
474,377.65 : 711,881.63 = 221,677.70 : x - Step 2: Convert to fraction form
474,377.65/711,881.63 = 221,677.70/x - Step 3: Cross multiply
474,377.65x = 711,881.63 × 221,677.70 - Step 4: Simplify right side
474,377.65x = 157,808,278,574.15 - Step 5: Solve for x
x = 157,808,278,574.15/474,377.65 - Step 6: Final answer
x = 332,663.82
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.