Finding the Fourth Proportional to 158,630.65, 237,478.48 and 138,947.65
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Solution
The fourth proportional to 158,630.65, 237,478.48 and 138,947.65 is: 208,011.99
Step by Step Solution
- Step 1: Write the proportion equation
158,630.65 : 237,478.48 = 138,947.65 : x - Step 2: Convert to fraction form
158,630.65/237,478.48 = 138,947.65/x - Step 3: Cross multiply
158,630.65x = 237,478.48 × 138,947.65 - Step 4: Simplify right side
158,630.65x = 32,997,076,721.57 - Step 5: Solve for x
x = 32,997,076,721.57/158,630.65 - Step 6: Final answer
x = 208,011.99
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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.