Finding the Fourth Proportional to 157,020.63, 216,596.12 and 93,354.63
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Solution
The fourth proportional to 157,020.63, 216,596.12 and 93,354.63 is: 128,774.48
Step by Step Solution
- Step 1: Write the proportion equation
157,020.63 : 216,596.12 = 93,354.63 : x - Step 2: Convert to fraction form
157,020.63/216,596.12 = 93,354.63/x - Step 3: Cross multiply
157,020.63x = 216,596.12 × 93,354.63 - Step 4: Simplify right side
157,020.63x = 20,220,250,642.04 - Step 5: Solve for x
x = 20,220,250,642.04/157,020.63 - Step 6: Final answer
x = 128,774.48
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1.5x scale
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.