Finding the Fourth Proportional to 516,459.68, 774,734.16 and 142,482.68
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Solution
The fourth proportional to 516,459.68, 774,734.16 and 142,482.68 is: 213,736.33
Step by Step Solution
- Step 1: Write the proportion equation
516,459.68 : 774,734.16 = 142,482.68 : x - Step 2: Convert to fraction form
516,459.68/774,734.16 = 142,482.68/x - Step 3: Cross multiply
516,459.68x = 774,734.16 × 142,482.68 - Step 4: Simplify right side
516,459.68x = 110,386,195,530.68 - Step 5: Solve for x
x = 110,386,195,530.68/516,459.68 - Step 6: Final answer
x = 213,736.33
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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.