Finding the Fourth Proportional to 239,389.08, 330,380.18 and 178,854.63
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Solution
The fourth proportional to 239,389.08, 330,380.18 and 178,854.63 is: 246,836.76
Step by Step Solution
- Step 1: Write the proportion equation
239,389.08 : 330,380.18 = 178,854.63 : x - Step 2: Convert to fraction form
239,389.08/330,380.18 = 178,854.63/x - Step 3: Cross multiply
239,389.08x = 330,380.18 × 178,854.63 - Step 4: Simplify right side
239,389.08x = 59,090,023,409.96 - Step 5: Solve for x
x = 59,090,023,409.96/239,389.08 - Step 6: Final answer
x = 246,836.76
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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.