Finding the Fourth Proportional to 432,202.86, 595,726.08 and 288,910.62
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Solution
The fourth proportional to 432,202.86, 595,726.08 and 288,910.62 is: 398,219.46
Step by Step Solution
- Step 1: Write the proportion equation
432,202.86 : 595,726.08 = 288,910.62 : x - Step 2: Convert to fraction form
432,202.86/595,726.08 = 288,910.62/x - Step 3: Cross multiply
432,202.86x = 595,726.08 × 288,910.62 - Step 4: Simplify right side
432,202.86x = 172,111,591,122.97 - Step 5: Solve for x
x = 172,111,591,122.97/432,202.86 - Step 6: Final answer
x = 398,219.46
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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.