Finding the Fourth Proportional to 410,482.68, 615,816.36 and 144,261.60
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Solution
The fourth proportional to 410,482.68, 615,816.36 and 144,261.60 is: 216,424.85
Step by Step Solution
- Step 1: Write the proportion equation
410,482.68 : 615,816.36 = 144,261.60 : x - Step 2: Convert to fraction form
410,482.68/615,816.36 = 144,261.60/x - Step 3: Cross multiply
410,482.68x = 615,816.36 × 144,261.60 - Step 4: Simplify right side
410,482.68x = 88,838,653,399.78 - Step 5: Solve for x
x = 88,838,653,399.78/410,482.68 - Step 6: Final answer
x = 216,424.85
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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.