Finding the Fourth Proportional to 158,631.65, 237,479.98 and 138,948.65
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Solution
The fourth proportional to 158,631.65, 237,479.98 and 138,948.65 is: 208,013.49
Step by Step Solution
- Step 1: Write the proportion equation
158,631.65 : 237,479.98 = 138,948.65 : x - Step 2: Convert to fraction form
158,631.65/237,479.98 = 138,948.65/x - Step 3: Cross multiply
158,631.65x = 237,479.98 × 138,948.65 - Step 4: Simplify right side
158,631.65x = 32,997,522,623.03 - Step 5: Solve for x
x = 32,997,522,623.03/158,631.65 - Step 6: Final answer
x = 208,013.49
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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.