Finding the Fourth Proportional to 286,451.84, 429,567.36 and 108,865.28
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Solution
The fourth proportional to 286,451.84, 429,567.36 and 108,865.28 is: 163,255.96
Step by Step Solution
- Step 1: Write the proportion equation
286,451.84 : 429,567.36 = 108,865.28 : x - Step 2: Convert to fraction form
286,451.84/429,567.36 = 108,865.28/x - Step 3: Cross multiply
286,451.84x = 429,567.36 × 108,865.28 - Step 4: Simplify right side
286,451.84x = 46,764,970,925.26 - Step 5: Solve for x
x = 46,764,970,925.26/286,451.84 - Step 6: Final answer
x = 163,255.96
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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.