Finding the Fourth Proportional to 608,686.64, 912,535.16 and 253,964.96
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Solution
The fourth proportional to 608,686.64, 912,535.16 and 253,964.96 is: 380,740.99
Step by Step Solution
- Step 1: Write the proportion equation
608,686.64 : 912,535.16 = 253,964.96 : x - Step 2: Convert to fraction form
608,686.64/912,535.16 = 253,964.96/x - Step 3: Cross multiply
608,686.64x = 912,535.16 × 253,964.96 - Step 4: Simplify right side
608,686.64x = 231,751,955,407.99 - Step 5: Solve for x
x = 231,751,955,407.99/608,686.64 - Step 6: Final answer
x = 380,740.99
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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.