Finding the Fourth Proportional to 401,262.99, 553,651.98 and 272,219.06
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Solution
The fourth proportional to 401,262.99, 553,651.98 and 272,219.06 is: 375,600.60
Step by Step Solution
- Step 1: Write the proportion equation
401,262.99 : 553,651.98 = 272,219.06 : x - Step 2: Convert to fraction form
401,262.99/553,651.98 = 272,219.06/x - Step 3: Cross multiply
401,262.99x = 553,651.98 × 272,219.06 - Step 4: Simplify right side
401,262.99x = 150,714,618,794.48 - Step 5: Solve for x
x = 150,714,618,794.48/401,262.99 - Step 6: Final answer
x = 375,600.60
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.