Finding the Fourth Proportional to 292,305.60, 437,583.60 and 260,812.80
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Solution
The fourth proportional to 292,305.60, 437,583.60 and 260,812.80 is: 390,438.65
Step by Step Solution
- Step 1: Write the proportion equation
292,305.60 : 437,583.60 = 260,812.80 : x - Step 2: Convert to fraction form
292,305.60/437,583.60 = 260,812.80/x - Step 3: Cross multiply
292,305.60x = 437,583.60 × 260,812.80 - Step 4: Simplify right side
292,305.60x = 114,127,403,950.08 - Step 5: Solve for x
x = 114,127,403,950.08/292,305.60 - Step 6: Final answer
x = 390,438.65
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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.