Finding the Fourth Proportional to 509,905.08, 764,748.27 and 210,307.95
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Solution
The fourth proportional to 509,905.08, 764,748.27 and 210,307.95 is: 315,416.82
Step by Step Solution
- Step 1: Write the proportion equation
509,905.08 : 764,748.27 = 210,307.95 : x - Step 2: Convert to fraction form
509,905.08/764,748.27 = 210,307.95/x - Step 3: Cross multiply
509,905.08x = 764,748.27 × 210,307.95 - Step 4: Simplify right side
509,905.08x = 160,832,640,929.75 - Step 5: Solve for x
x = 160,832,640,929.75/509,905.08 - Step 6: Final answer
x = 315,416.82
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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.