Finding the Fourth Proportional to 297,101.70, 445,652.55 and 139,637.70
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Solution
The fourth proportional to 297,101.70, 445,652.55 and 139,637.70 is: 209,456.55
Step by Step Solution
- Step 1: Write the proportion equation
297,101.70 : 445,652.55 = 139,637.70 : x - Step 2: Convert to fraction form
297,101.70/445,652.55 = 139,637.70/x - Step 3: Cross multiply
297,101.70x = 445,652.55 × 139,637.70 - Step 4: Simplify right side
297,101.70x = 62,229,897,081.14 - Step 5: Solve for x
x = 62,229,897,081.14/297,101.70 - Step 6: Final answer
x = 209,456.55
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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.