Finding the Fourth Proportional to 247,276.96, 340,985.52 and 211,585.12
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Solution
The fourth proportional to 247,276.96, 340,985.52 and 211,585.12 is: 291,767.83
Step by Step Solution
- Step 1: Write the proportion equation
247,276.96 : 340,985.52 = 211,585.12 : x - Step 2: Convert to fraction form
247,276.96/340,985.52 = 211,585.12/x - Step 3: Cross multiply
247,276.96x = 340,985.52 × 211,585.12 - Step 4: Simplify right side
247,276.96x = 72,147,462,167.46 - Step 5: Solve for x
x = 72,147,462,167.46/247,276.96 - Step 6: Final answer
x = 291,767.83
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.