Finding the Fourth Proportional to 651,412.30, 977,071.35 and 202,121.70
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Solution
The fourth proportional to 651,412.30, 977,071.35 and 202,121.70 is: 303,167.94
Step by Step Solution
- Step 1: Write the proportion equation
651,412.30 : 977,071.35 = 202,121.70 : x - Step 2: Convert to fraction form
651,412.30/977,071.35 = 202,121.70/x - Step 3: Cross multiply
651,412.30x = 977,071.35 × 202,121.70 - Step 4: Simplify right side
651,412.30x = 197,487,322,283.30 - Step 5: Solve for x
x = 197,487,322,283.30/651,412.30 - Step 6: Final answer
x = 303,167.94
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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.