Finding the Fourth Proportional to 464,336.08, 640,512.30 and 291,981.26
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Solution
The fourth proportional to 464,336.08, 640,512.30 and 291,981.26 is: 402,763.43
Step by Step Solution
- Step 1: Write the proportion equation
464,336.08 : 640,512.30 = 291,981.26 : x - Step 2: Convert to fraction form
464,336.08/640,512.30 = 291,981.26/x - Step 3: Cross multiply
464,336.08x = 640,512.30 × 291,981.26 - Step 4: Simplify right side
464,336.08x = 187,017,591,095.71 - Step 5: Solve for x
x = 187,017,591,095.71/464,336.08 - Step 6: Final answer
x = 402,763.43
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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.