Finding the Fourth Proportional to 147,746.73, 205,266.99 and 145,975.26
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Solution
The fourth proportional to 147,746.73, 205,266.99 and 145,975.26 is: 202,805.86
Step by Step Solution
- Step 1: Write the proportion equation
147,746.73 : 205,266.99 = 145,975.26 : x - Step 2: Convert to fraction form
147,746.73/205,266.99 = 145,975.26/x - Step 3: Cross multiply
147,746.73x = 205,266.99 × 145,975.26 - Step 4: Simplify right side
147,746.73x = 29,963,902,234.67 - Step 5: Solve for x
x = 29,963,902,234.67/147,746.73 - Step 6: Final answer
x = 202,805.86
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.39) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.