Finding the Fourth Proportional to 472,203.76, 651,632.92 and 257,345.68
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Solution
The fourth proportional to 472,203.76, 651,632.92 and 257,345.68 is: 355,132.53
Step by Step Solution
- Step 1: Write the proportion equation
472,203.76 : 651,632.92 = 257,345.68 : x - Step 2: Convert to fraction form
472,203.76/651,632.92 = 257,345.68/x - Step 3: Cross multiply
472,203.76x = 651,632.92 × 257,345.68 - Step 4: Simplify right side
472,203.76x = 167,694,916,907.79 - Step 5: Solve for x
x = 167,694,916,907.79/472,203.76 - Step 6: Final answer
x = 355,132.53
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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.