Finding the Fourth Proportional to 558,166.09, 770,302.80 and 328,876.18
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Solution
The fourth proportional to 558,166.09, 770,302.80 and 328,876.18 is: 453,868.92
Step by Step Solution
- Step 1: Write the proportion equation
558,166.09 : 770,302.80 = 328,876.18 : x - Step 2: Convert to fraction form
558,166.09/770,302.80 = 328,876.18/x - Step 3: Cross multiply
558,166.09x = 770,302.80 × 328,876.18 - Step 4: Simplify right side
558,166.09x = 253,334,242,307.30 - Step 5: Solve for x
x = 253,334,242,307.30/558,166.09 - Step 6: Final answer
x = 453,868.92
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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.