Finding the Fourth Proportional to 361,094.74, 498,829.80 and 288,402.19
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Solution
The fourth proportional to 361,094.74, 498,829.80 and 288,402.19 is: 398,409.59
Step by Step Solution
- Step 1: Write the proportion equation
361,094.74 : 498,829.80 = 288,402.19 : x - Step 2: Convert to fraction form
361,094.74/498,829.80 = 288,402.19/x - Step 3: Cross multiply
361,094.74x = 498,829.80 × 288,402.19 - Step 4: Simplify right side
361,094.74x = 143,863,606,757.26 - Step 5: Solve for x
x = 143,863,606,757.26/361,094.74 - Step 6: Final answer
x = 398,409.59
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.