Finding the Fourth Proportional to 302,686.24, 453,871.62 and 112,990.58
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Solution
The fourth proportional to 302,686.24, 453,871.62 and 112,990.58 is: 169,426.99
Step by Step Solution
- Step 1: Write the proportion equation
302,686.24 : 453,871.62 = 112,990.58 : x - Step 2: Convert to fraction form
302,686.24/453,871.62 = 112,990.58/x - Step 3: Cross multiply
302,686.24x = 453,871.62 × 112,990.58 - Step 4: Simplify right side
302,686.24x = 51,283,219,175.11 - Step 5: Solve for x
x = 51,283,219,175.11/302,686.24 - Step 6: Final answer
x = 169,426.99
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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.