Finding the Fourth Proportional to 286,512.08, 429,360.62 and 211,038.70
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Solution
The fourth proportional to 286,512.08, 429,360.62 and 211,038.70 is: 316,257.89
Step by Step Solution
- Step 1: Write the proportion equation
286,512.08 : 429,360.62 = 211,038.70 : x - Step 2: Convert to fraction form
286,512.08/429,360.62 = 211,038.70/x - Step 3: Cross multiply
286,512.08x = 429,360.62 × 211,038.70 - Step 4: Simplify right side
286,512.08x = 90,611,707,075.99 - Step 5: Solve for x
x = 90,611,707,075.99/286,512.08 - Step 6: Final answer
x = 316,257.89
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.