Finding the Fourth Proportional to 272,637.24, 408,926.58 and 72,977.70
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Solution
The fourth proportional to 272,637.24, 408,926.58 and 72,977.70 is: 109,458.71
Step by Step Solution
- Step 1: Write the proportion equation
272,637.24 : 408,926.58 = 72,977.70 : x - Step 2: Convert to fraction form
272,637.24/408,926.58 = 72,977.70/x - Step 3: Cross multiply
272,637.24x = 408,926.58 × 72,977.70 - Step 4: Simplify right side
272,637.24x = 29,842,521,277.27 - Step 5: Solve for x
x = 29,842,521,277.27/272,637.24 - Step 6: Final answer
x = 109,458.71
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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.