Finding the Fourth Proportional to 432,203.36, 595,726.77 and 288,911.12
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Solution
The fourth proportional to 432,203.36, 595,726.77 and 288,911.12 is: 398,220.15
Step by Step Solution
- Step 1: Write the proportion equation
432,203.36 : 595,726.77 = 288,911.12 : x - Step 2: Convert to fraction form
432,203.36/595,726.77 = 288,911.12/x - Step 3: Cross multiply
432,203.36x = 595,726.77 × 288,911.12 - Step 4: Simplify right side
432,203.36x = 172,112,088,334.68 - Step 5: Solve for x
x = 172,112,088,334.68/432,203.36 - Step 6: Final answer
x = 398,220.15
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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.