Finding the Fourth Proportional to 293,267.80, 439,610.10 and 135,220.60
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Solution
The fourth proportional to 293,267.80, 439,610.10 and 135,220.60 is: 202,696.45
Step by Step Solution
- Step 1: Write the proportion equation
293,267.80 : 439,610.10 = 135,220.60 : x - Step 2: Convert to fraction form
293,267.80/439,610.10 = 135,220.60/x - Step 3: Cross multiply
293,267.80x = 439,610.10 × 135,220.60 - Step 4: Simplify right side
293,267.80x = 59,444,341,488.06 - Step 5: Solve for x
x = 59,444,341,488.06/293,267.80 - Step 6: Final answer
x = 202,696.45
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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.