Finding the Fourth Proportional to 97,435.14, 145,730.52 and 57,358.62
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Solution
The fourth proportional to 97,435.14, 145,730.52 and 57,358.62 is: 85,789.39
Step by Step Solution
- Step 1: Write the proportion equation
97,435.14 : 145,730.52 = 57,358.62 : x - Step 2: Convert to fraction form
97,435.14/145,730.52 = 57,358.62/x - Step 3: Cross multiply
97,435.14x = 145,730.52 × 57,358.62 - Step 4: Simplify right side
97,435.14x = 8,358,901,519.08 - Step 5: Solve for x
x = 8,358,901,519.08/97,435.14 - Step 6: Final answer
x = 85,789.39
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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.