Finding the Fourth Proportional to 195,655.80, 293,483.70 and 102,139.80
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Solution
The fourth proportional to 195,655.80, 293,483.70 and 102,139.80 is: 153,209.70
Step by Step Solution
- Step 1: Write the proportion equation
195,655.80 : 293,483.70 = 102,139.80 : x - Step 2: Convert to fraction form
195,655.80/293,483.70 = 102,139.80/x - Step 3: Cross multiply
195,655.80x = 293,483.70 × 102,139.80 - Step 4: Simplify right side
195,655.80x = 29,976,366,421.26 - Step 5: Solve for x
x = 29,976,366,421.26/195,655.80 - Step 6: Final answer
x = 153,209.70
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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.