Finding the Fourth Proportional to 456,089.08, 629,627.36 and 286,416.76
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Solution
The fourth proportional to 456,089.08, 629,627.36 and 286,416.76 is: 395,396.07
Step by Step Solution
- Step 1: Write the proportion equation
456,089.08 : 629,627.36 = 286,416.76 : x - Step 2: Convert to fraction form
456,089.08/629,627.36 = 286,416.76/x - Step 3: Cross multiply
456,089.08x = 629,627.36 × 286,416.76 - Step 4: Simplify right side
456,089.08x = 180,335,828,458.55 - Step 5: Solve for x
x = 180,335,828,458.55/456,089.08 - Step 6: Final answer
x = 395,396.07
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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.