Finding the Fourth Proportional to 358,161.71, 537,126.73 and 118,221.71
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Solution
The fourth proportional to 358,161.71, 537,126.73 and 118,221.71 is: 177,294.32
Step by Step Solution
- Step 1: Write the proportion equation
358,161.71 : 537,126.73 = 118,221.71 : x - Step 2: Convert to fraction form
358,161.71/537,126.73 = 118,221.71/x - Step 3: Cross multiply
358,161.71x = 537,126.73 × 118,221.71 - Step 4: Simplify right side
358,161.71x = 63,500,037,526.12 - Step 5: Solve for x
x = 63,500,037,526.12/358,161.71 - Step 6: Final answer
x = 177,294.32
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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.