Finding the Fourth Proportional to 472,442.02, 651,969.41 and 257,582.03
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Solution
The fourth proportional to 472,442.02, 651,969.41 and 257,582.03 is: 355,462.88
Step by Step Solution
- Step 1: Write the proportion equation
472,442.02 : 651,969.41 = 257,582.03 : x - Step 2: Convert to fraction form
472,442.02/651,969.41 = 257,582.03/x - Step 3: Cross multiply
472,442.02x = 651,969.41 × 257,582.03 - Step 4: Simplify right side
472,442.02x = 167,935,599,577.95 - Step 5: Solve for x
x = 167,935,599,577.95/472,442.02 - Step 6: Final answer
x = 355,462.88
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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.