Finding the Fourth Proportional to 409,574.08, 614,268.96 and 146,918.08
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Solution
The fourth proportional to 409,574.08, 614,268.96 and 146,918.08 is: 220,344.06
Step by Step Solution
- Step 1: Write the proportion equation
409,574.08 : 614,268.96 = 146,918.08 : x - Step 2: Convert to fraction form
409,574.08/614,268.96 = 146,918.08/x - Step 3: Cross multiply
409,574.08x = 614,268.96 × 146,918.08 - Step 4: Simplify right side
409,574.08x = 90,247,216,206.80 - Step 5: Solve for x
x = 90,247,216,206.80/409,574.08 - Step 6: Final answer
x = 220,344.06
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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.