Finding the Fourth Proportional to 247,307.79, 340,907.36 and 151,637.07
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Solution
The fourth proportional to 247,307.79, 340,907.36 and 151,637.07 is: 209,027.76
Step by Step Solution
- Step 1: Write the proportion equation
247,307.79 : 340,907.36 = 151,637.07 : x - Step 2: Convert to fraction form
247,307.79/340,907.36 = 151,637.07/x - Step 3: Cross multiply
247,307.79x = 340,907.36 × 151,637.07 - Step 4: Simplify right side
247,307.79x = 51,694,192,453.65 - Step 5: Solve for x
x = 51,694,192,453.65/247,307.79 - Step 6: Final answer
x = 209,027.76
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1.5x scale
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.