Finding the Fourth Proportional to 474,371.15, 711,790.52 and 221,669.08
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Solution
The fourth proportional to 474,371.15, 711,790.52 and 221,669.08 is: 332,612.86
Step by Step Solution
- Step 1: Write the proportion equation
474,371.15 : 711,790.52 = 221,669.08 : x - Step 2: Convert to fraction form
474,371.15/711,790.52 = 221,669.08/x - Step 3: Cross multiply
474,371.15x = 711,790.52 × 221,669.08 - Step 4: Simplify right side
474,371.15x = 157,781,946,833.30 - Step 5: Solve for x
x = 157,781,946,833.30/474,371.15 - Step 6: Final answer
x = 332,612.86
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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.