Finding the Fourth Proportional to 286,276.32, 429,188.64 and 180,873.12
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Solution
The fourth proportional to 286,276.32, 429,188.64 and 180,873.12 is: 271,166.99
Step by Step Solution
- Step 1: Write the proportion equation
286,276.32 : 429,188.64 = 180,873.12 : x - Step 2: Convert to fraction form
286,276.32/429,188.64 = 180,873.12/x - Step 3: Cross multiply
286,276.32x = 429,188.64 × 180,873.12 - Step 4: Simplify right side
286,276.32x = 77,628,688,385.36 - Step 5: Solve for x
x = 77,628,688,385.36/286,276.32 - Step 6: Final answer
x = 271,166.99
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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.