Finding the Fourth Proportional to 611,525.70, 917,288.55 and 237,305.70
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Solution
The fourth proportional to 611,525.70, 917,288.55 and 237,305.70 is: 355,958.55
Step by Step Solution
- Step 1: Write the proportion equation
611,525.70 : 917,288.55 = 237,305.70 : x - Step 2: Convert to fraction form
611,525.70/917,288.55 = 237,305.70/x - Step 3: Cross multiply
611,525.70x = 917,288.55 × 237,305.70 - Step 4: Simplify right side
611,525.70x = 217,677,801,459.74 - Step 5: Solve for x
x = 217,677,801,459.74/611,525.70 - Step 6: Final answer
x = 355,958.55
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Similar ratio
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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.