Finding the Fourth Proportional to 467,643.94, 644,466.80 and 338,363.53
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Solution
The fourth proportional to 467,643.94, 644,466.80 and 338,363.53 is: 466,303.62
Step by Step Solution
- Step 1: Write the proportion equation
467,643.94 : 644,466.80 = 338,363.53 : x - Step 2: Convert to fraction form
467,643.94/644,466.80 = 338,363.53/x - Step 3: Cross multiply
467,643.94x = 644,466.80 × 338,363.53 - Step 4: Simplify right side
467,643.94x = 218,064,060,650.55 - Step 5: Solve for x
x = 218,064,060,650.55/467,643.94 - Step 6: Final answer
x = 466,303.62
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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.