Finding the Fourth Proportional to 292,209.87, 438,358.62 and 102,636.82
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Solution
The fourth proportional to 292,209.87, 438,358.62 and 102,636.82 is: 153,970.62
Step by Step Solution
- Step 1: Write the proportion equation
292,209.87 : 438,358.62 = 102,636.82 : x - Step 2: Convert to fraction form
292,209.87/438,358.62 = 102,636.82/x - Step 3: Cross multiply
292,209.87x = 438,358.62 × 102,636.82 - Step 4: Simplify right side
292,209.87x = 44,991,734,776.39 - Step 5: Solve for x
x = 44,991,734,776.39/292,209.87 - Step 6: Final answer
x = 153,970.62
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.