Finding the Fourth Proportional to 472,219.18, 651,643.46 and 257,354.62
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Solution
The fourth proportional to 472,219.18, 651,643.46 and 257,354.62 is: 355,139.02
Step by Step Solution
- Step 1: Write the proportion equation
472,219.18 : 651,643.46 = 257,354.62 : x - Step 2: Convert to fraction form
472,219.18/651,643.46 = 257,354.62/x - Step 3: Cross multiply
472,219.18x = 651,643.46 × 257,354.62 - Step 4: Simplify right side
472,219.18x = 167,703,455,023.79 - Step 5: Solve for x
x = 167,703,455,023.79/472,219.18 - Step 6: Final answer
x = 355,139.02
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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.