Finding the Fourth Proportional to 651,804.70, 977,415.45 and 252,312.70
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Solution
The fourth proportional to 651,804.70, 977,415.45 and 252,312.70 is: 378,356.17
Step by Step Solution
- Step 1: Write the proportion equation
651,804.70 : 977,415.45 = 252,312.70 : x - Step 2: Convert to fraction form
651,804.70/977,415.45 = 252,312.70/x - Step 3: Cross multiply
651,804.70x = 977,415.45 × 252,312.70 - Step 4: Simplify right side
651,804.70x = 246,614,331,211.22 - Step 5: Solve for x
x = 246,614,331,211.22/651,804.70 - Step 6: Final answer
x = 378,356.17
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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.