Finding the Fourth Proportional to 434,564.10, 651,846.15 and 314,813.70
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Solution
The fourth proportional to 434,564.10, 651,846.15 and 314,813.70 is: 472,220.55
Step by Step Solution
- Step 1: Write the proportion equation
434,564.10 : 651,846.15 = 314,813.70 : x - Step 2: Convert to fraction form
434,564.10/651,846.15 = 314,813.70/x - Step 3: Cross multiply
434,564.10x = 651,846.15 × 314,813.70 - Step 4: Simplify right side
434,564.10x = 205,210,098,312.26 - Step 5: Solve for x
x = 205,210,098,312.26/434,564.10 - Step 6: Final answer
x = 472,220.55
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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.