Finding the Fourth Proportional to 239,992.96, 328,312.08 and 238,982.08
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Solution
The fourth proportional to 239,992.96, 328,312.08 and 238,982.08 is: 326,929.19
Step by Step Solution
- Step 1: Write the proportion equation
239,992.96 : 328,312.08 = 238,982.08 : x - Step 2: Convert to fraction form
239,992.96/328,312.08 = 238,982.08/x - Step 3: Cross multiply
239,992.96x = 328,312.08 × 238,982.08 - Step 4: Simplify right side
239,992.96x = 78,460,703,767.53 - Step 5: Solve for x
x = 78,460,703,767.53/239,992.96 - Step 6: Final answer
x = 326,929.19
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.