Finding the Fourth Proportional to 409,671.84, 614,619.26 and 125,356.08
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Solution
The fourth proportional to 409,671.84, 614,619.26 and 125,356.08 is: 188,068.24
Step by Step Solution
- Step 1: Write the proportion equation
409,671.84 : 614,619.26 = 125,356.08 : x - Step 2: Convert to fraction form
409,671.84/614,619.26 = 125,356.08/x - Step 3: Cross multiply
409,671.84x = 614,619.26 × 125,356.08 - Step 4: Simplify right side
409,671.84x = 77,046,261,126.10 - Step 5: Solve for x
x = 77,046,261,126.10/409,671.84 - Step 6: Final answer
x = 188,068.24
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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.