Finding the Fourth Proportional to 429,547.14, 644,342.94 and 109,701.99
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Solution
The fourth proportional to 429,547.14, 644,342.94 and 109,701.99 is: 164,558.66
Step by Step Solution
- Step 1: Write the proportion equation
429,547.14 : 644,342.94 = 109,701.99 : x - Step 2: Convert to fraction form
429,547.14/644,342.94 = 109,701.99/x - Step 3: Cross multiply
429,547.14x = 644,342.94 × 109,701.99 - Step 4: Simplify right side
429,547.14x = 70,685,702,760.45 - Step 5: Solve for x
x = 70,685,702,760.45/429,547.14 - Step 6: Final answer
x = 164,558.66
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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.