Finding the Fourth Proportional to 474,518.99, 711,778.49 and 208,281.83
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Solution
The fourth proportional to 474,518.99, 711,778.49 and 208,281.83 is: 312,422.74
Step by Step Solution
- Step 1: Write the proportion equation
474,518.99 : 711,778.49 = 208,281.83 : x - Step 2: Convert to fraction form
474,518.99/711,778.49 = 208,281.83/x - Step 3: Cross multiply
474,518.99x = 711,778.49 × 208,281.83 - Step 4: Simplify right side
474,518.99x = 148,250,521,851.54 - Step 5: Solve for x
x = 148,250,521,851.54/474,518.99 - Step 6: Final answer
x = 312,422.74
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1.5x scale
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.