Finding the Fourth Proportional to 307,953.64, 425,269.50 and 291,181.18
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Solution
The fourth proportional to 307,953.64, 425,269.50 and 291,181.18 is: 402,107.52
Step by Step Solution
- Step 1: Write the proportion equation
307,953.64 : 425,269.50 = 291,181.18 : x - Step 2: Convert to fraction form
307,953.64/425,269.50 = 291,181.18/x - Step 3: Cross multiply
307,953.64x = 425,269.50 × 291,181.18 - Step 4: Simplify right side
307,953.64x = 123,830,474,828.01 - Step 5: Solve for x
x = 123,830,474,828.01/307,953.64 - Step 6: Final answer
x = 402,107.52
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.