Finding the Fourth Proportional to 97,348.18, 145,963.14 and 38,112.88
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Solution
The fourth proportional to 97,348.18, 145,963.14 and 38,112.88 is: 57,146.17
Step by Step Solution
- Step 1: Write the proportion equation
97,348.18 : 145,963.14 = 38,112.88 : x - Step 2: Convert to fraction form
97,348.18/145,963.14 = 38,112.88/x - Step 3: Cross multiply
97,348.18x = 145,963.14 × 38,112.88 - Step 4: Simplify right side
97,348.18x = 5,563,075,639.24 - Step 5: Solve for x
x = 5,563,075,639.24/97,348.18 - Step 6: Final answer
x = 57,146.17
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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.