Finding the Fourth Proportional to 310,511.29, 465,766.36 and 97,295.53
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Solution
The fourth proportional to 310,511.29, 465,766.36 and 97,295.53 is: 145,943.11
Step by Step Solution
- Step 1: Write the proportion equation
310,511.29 : 465,766.36 = 97,295.53 : x - Step 2: Convert to fraction form
310,511.29/465,766.36 = 97,295.53/x - Step 3: Cross multiply
310,511.29x = 465,766.36 × 97,295.53 - Step 4: Simplify right side
310,511.29x = 45,316,982,037.06 - Step 5: Solve for x
x = 45,316,982,037.06/310,511.29 - Step 6: Final answer
x = 145,943.11
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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.