Finding the Fourth Proportional to 456,463.70, 684,695.55 and 119,503.70
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Solution
The fourth proportional to 456,463.70, 684,695.55 and 119,503.70 is: 179,255.55
Step by Step Solution
- Step 1: Write the proportion equation
456,463.70 : 684,695.55 = 119,503.70 : x - Step 2: Convert to fraction form
456,463.70/684,695.55 = 119,503.70/x - Step 3: Cross multiply
456,463.70x = 684,695.55 × 119,503.70 - Step 4: Simplify right side
456,463.70x = 81,823,651,598.54 - Step 5: Solve for x
x = 81,823,651,598.54/456,463.70 - Step 6: Final answer
x = 179,255.55
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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.