Finding the Fourth Proportional to 447,671.58, 617,767.62 and 243,718.14
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Solution
The fourth proportional to 447,671.58, 617,767.62 and 243,718.14 is: 336,320.60
Step by Step Solution
- Step 1: Write the proportion equation
447,671.58 : 617,767.62 = 243,718.14 : x - Step 2: Convert to fraction form
447,671.58/617,767.62 = 243,718.14/x - Step 3: Cross multiply
447,671.58x = 617,767.62 × 243,718.14 - Step 4: Simplify right side
447,671.58x = 150,561,175,298.63 - Step 5: Solve for x
x = 150,561,175,298.63/447,671.58 - Step 6: Final answer
x = 336,320.60
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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.