Finding the Fourth Proportional to 407,228.94, 609,703.65 and 307,075.68
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Solution
The fourth proportional to 407,228.94, 609,703.65 and 307,075.68 is: 459,754.07
Step by Step Solution
- Step 1: Write the proportion equation
407,228.94 : 609,703.65 = 307,075.68 : x - Step 2: Convert to fraction form
407,228.94/609,703.65 = 307,075.68/x - Step 3: Cross multiply
407,228.94x = 609,703.65 × 307,075.68 - Step 4: Simplify right side
407,228.94x = 187,225,162,922.23 - Step 5: Solve for x
x = 187,225,162,922.23/407,228.94 - Step 6: Final answer
x = 459,754.07
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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.