Finding the Fourth Proportional to 401,263.99, 553,653.36 and 272,220.06
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Solution
The fourth proportional to 401,263.99, 553,653.36 and 272,220.06 is: 375,601.98
Step by Step Solution
- Step 1: Write the proportion equation
401,263.99 : 553,653.36 = 272,220.06 : x - Step 2: Convert to fraction form
401,263.99/553,653.36 = 272,220.06/x - Step 3: Cross multiply
401,263.99x = 553,653.36 × 272,220.06 - Step 4: Simplify right side
401,263.99x = 150,715,550,878.40 - Step 5: Solve for x
x = 150,715,550,878.40/401,263.99 - Step 6: Final answer
x = 375,601.98
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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.