Finding the Fourth Proportional to 464,110.51, 640,460.98 and 257,377.70
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Solution
The fourth proportional to 464,110.51, 640,460.98 and 257,377.70 is: 355,174.84
Step by Step Solution
- Step 1: Write the proportion equation
464,110.51 : 640,460.98 = 257,377.70 : x - Step 2: Convert to fraction form
464,110.51/640,460.98 = 257,377.70/x - Step 3: Cross multiply
464,110.51x = 640,460.98 × 257,377.70 - Step 4: Simplify right side
464,110.51x = 164,840,374,447.27 - Step 5: Solve for x
x = 164,840,374,447.27/464,110.51 - Step 6: Final answer
x = 355,174.84
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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.