Finding the Fourth Proportional to 911,617.55, 1,367,427.35 and 237,698.28
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Solution
The fourth proportional to 911,617.55, 1,367,427.35 and 237,698.28 is: 356,547.69
Step by Step Solution
- Step 1: Write the proportion equation
911,617.55 : 1,367,427.35 = 237,698.28 : x - Step 2: Convert to fraction form
911,617.55/1,367,427.35 = 237,698.28/x - Step 3: Cross multiply
911,617.55x = 1,367,427.35 × 237,698.28 - Step 4: Simplify right side
911,617.55x = 325,035,129,119.96 - Step 5: Solve for x
x = 325,035,129,119.96/911,617.55 - Step 6: Final answer
x = 356,547.69
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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.