Finding the Fourth Proportional to 472,260.11, 651,714.80 and 257,400.18
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Solution
The fourth proportional to 472,260.11, 651,714.80 and 257,400.18 is: 355,209.99
Step by Step Solution
- Step 1: Write the proportion equation
472,260.11 : 651,714.80 = 257,400.18 : x - Step 2: Convert to fraction form
472,260.11/651,714.80 = 257,400.18/x - Step 3: Cross multiply
472,260.11x = 651,714.80 × 257,400.18 - Step 4: Simplify right side
472,260.11x = 167,751,505,541.66 - Step 5: Solve for x
x = 167,751,505,541.66/472,260.11 - Step 6: Final answer
x = 355,209.99
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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.