Finding the Fourth Proportional to 645,378.63, 968,030.96 and 246,059.70
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Solution
The fourth proportional to 645,378.63, 968,030.96 and 246,059.70 is: 369,075.45
Step by Step Solution
- Step 1: Write the proportion equation
645,378.63 : 968,030.96 = 246,059.70 : x - Step 2: Convert to fraction form
645,378.63/968,030.96 = 246,059.70/x - Step 3: Cross multiply
645,378.63x = 968,030.96 × 246,059.70 - Step 4: Simplify right side
645,378.63x = 238,193,406,378.01 - Step 5: Solve for x
x = 238,193,406,378.01/645,378.63 - Step 6: Final answer
x = 369,075.45
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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.