Finding the Fourth Proportional to 286,412.68, 429,618.95 and 73,180.99
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Solution
The fourth proportional to 286,412.68, 429,618.95 and 73,180.99 is: 109,771.46
Step by Step Solution
- Step 1: Write the proportion equation
286,412.68 : 429,618.95 = 73,180.99 : x - Step 2: Convert to fraction form
286,412.68/429,618.95 = 73,180.99/x - Step 3: Cross multiply
286,412.68x = 429,618.95 × 73,180.99 - Step 4: Simplify right side
286,412.68x = 31,439,938,289.74 - Step 5: Solve for x
x = 31,439,938,289.74/286,412.68 - Step 6: Final answer
x = 109,771.46
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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.