Finding the Fourth Proportional to 165,187.40, 247,781.10 and 97,827.80
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Solution
The fourth proportional to 165,187.40, 247,781.10 and 97,827.80 is: 146,741.70
Step by Step Solution
- Step 1: Write the proportion equation
165,187.40 : 247,781.10 = 97,827.80 : x - Step 2: Convert to fraction form
165,187.40/247,781.10 = 97,827.80/x - Step 3: Cross multiply
165,187.40x = 247,781.10 × 97,827.80 - Step 4: Simplify right side
165,187.40x = 24,239,879,894.58 - Step 5: Solve for x
x = 24,239,879,894.58/165,187.40 - Step 6: Final answer
x = 146,741.70
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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.