Finding the Fourth Proportional to 358,369.31, 537,425.89 and 118,438.81
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Solution
The fourth proportional to 358,369.31, 537,425.89 and 118,438.81 is: 177,615.88
Step by Step Solution
- Step 1: Write the proportion equation
358,369.31 : 537,425.89 = 118,438.81 : x - Step 2: Convert to fraction form
358,369.31/537,425.89 = 118,438.81/x - Step 3: Cross multiply
358,369.31x = 537,425.89 × 118,438.81 - Step 4: Simplify right side
358,369.31x = 63,652,081,235.13 - Step 5: Solve for x
x = 63,652,081,235.13/358,369.31 - Step 6: Final answer
x = 177,615.88
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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.