Finding the Fourth Proportional to 416,298.24, 624,444.48 and 100,756.80
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Solution
The fourth proportional to 416,298.24, 624,444.48 and 100,756.80 is: 151,134.50
Step by Step Solution
- Step 1: Write the proportion equation
416,298.24 : 624,444.48 = 100,756.80 : x - Step 2: Convert to fraction form
416,298.24/624,444.48 = 100,756.80/x - Step 3: Cross multiply
416,298.24x = 624,444.48 × 100,756.80 - Step 4: Simplify right side
416,298.24x = 62,917,027,582.46 - Step 5: Solve for x
x = 62,917,027,582.46/416,298.24 - Step 6: Final answer
x = 151,134.50
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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.