Finding the Fourth Proportional to 310,312.10, 465,905.55 and 192,214.10
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Solution
The fourth proportional to 310,312.10, 465,905.55 and 192,214.10 is: 288,592.09
Step by Step Solution
- Step 1: Write the proportion equation
310,312.10 : 465,905.55 = 192,214.10 : x - Step 2: Convert to fraction form
310,312.10/465,905.55 = 192,214.10/x - Step 3: Cross multiply
310,312.10x = 465,905.55 × 192,214.10 - Step 4: Simplify right side
310,312.10x = 89,553,615,978.26 - Step 5: Solve for x
x = 89,553,615,978.26/310,312.10 - Step 6: Final answer
x = 288,592.09
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1.5x scale
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.