Finding the Fourth Proportional to 349,387.68, 524,076.64 and 199,307.68
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Solution
The fourth proportional to 349,387.68, 524,076.64 and 199,307.68 is: 298,958.74
Step by Step Solution
- Step 1: Write the proportion equation
349,387.68 : 524,076.64 = 199,307.68 : x - Step 2: Convert to fraction form
349,387.68/524,076.64 = 199,307.68/x - Step 3: Cross multiply
349,387.68x = 524,076.64 × 199,307.68 - Step 4: Simplify right side
349,387.68x = 104,452,499,260.60 - Step 5: Solve for x
x = 104,452,499,260.60/349,387.68 - Step 6: Final answer
x = 298,958.74
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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.