Finding the Fourth Proportional to 608,660.42, 912,397.29 and 253,775.93
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Solution
The fourth proportional to 608,660.42, 912,397.29 and 253,775.93 is: 380,416.50
Step by Step Solution
- Step 1: Write the proportion equation
608,660.42 : 912,397.29 = 253,775.93 : x - Step 2: Convert to fraction form
608,660.42/912,397.29 = 253,775.93/x - Step 3: Cross multiply
608,660.42x = 912,397.29 × 253,775.93 - Step 4: Simplify right side
608,660.42x = 231,544,468,518.24 - Step 5: Solve for x
x = 231,544,468,518.24/608,660.42 - Step 6: Final answer
x = 380,416.50
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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.