Finding the Fourth Proportional to 341,124.74, 511,805.12 and 116,643.18
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Solution
The fourth proportional to 341,124.74, 511,805.12 and 116,643.18 is: 175,005.12
Step by Step Solution
- Step 1: Write the proportion equation
341,124.74 : 511,805.12 = 116,643.18 : x - Step 2: Convert to fraction form
341,124.74/511,805.12 = 116,643.18/x - Step 3: Cross multiply
341,124.74x = 511,805.12 × 116,643.18 - Step 4: Simplify right side
341,124.74x = 59,698,576,737.08 - Step 5: Solve for x
x = 59,698,576,737.08/341,124.74 - Step 6: Final answer
x = 175,005.12
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1.5x scale
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.