Finding the Fourth Proportional to 144,813.40, 217,220.10 and 97,811.80
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Solution
The fourth proportional to 144,813.40, 217,220.10 and 97,811.80 is: 146,717.70
Step by Step Solution
- Step 1: Write the proportion equation
144,813.40 : 217,220.10 = 97,811.80 : x - Step 2: Convert to fraction form
144,813.40/217,220.10 = 97,811.80/x - Step 3: Cross multiply
144,813.40x = 217,220.10 × 97,811.80 - Step 4: Simplify right side
144,813.40x = 21,246,688,977.18 - Step 5: Solve for x
x = 21,246,688,977.18/144,813.40 - Step 6: Final answer
x = 146,717.70
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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.