Finding the Fourth Proportional to 314,935.70, 472,403.55 and 236,203.70
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Solution
The fourth proportional to 314,935.70, 472,403.55 and 236,203.70 is: 354,305.55
Step by Step Solution
- Step 1: Write the proportion equation
314,935.70 : 472,403.55 = 236,203.70 : x - Step 2: Convert to fraction form
314,935.70/472,403.55 = 236,203.70/x - Step 3: Cross multiply
314,935.70x = 472,403.55 × 236,203.70 - Step 4: Simplify right side
314,935.70x = 111,583,466,403.14 - Step 5: Solve for x
x = 111,583,466,403.14/314,935.70 - Step 6: Final answer
x = 354,305.55
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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.