Finding the Fourth Proportional to 611,349.70, 917,024.55 and 168,117.70
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Solution
The fourth proportional to 611,349.70, 917,024.55 and 168,117.70 is: 252,176.55
Step by Step Solution
- Step 1: Write the proportion equation
611,349.70 : 917,024.55 = 168,117.70 : x - Step 2: Convert to fraction form
611,349.70/917,024.55 = 168,117.70/x - Step 3: Cross multiply
611,349.70x = 917,024.55 × 168,117.70 - Step 4: Simplify right side
611,349.70x = 154,168,058,189.54 - Step 5: Solve for x
x = 154,168,058,189.54/611,349.70 - Step 6: Final answer
x = 252,176.55
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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.