Finding the Fourth Proportional to 386,119.08, 579,337.64 and 169,866.71
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Solution
The fourth proportional to 386,119.08, 579,337.64 and 169,866.71 is: 254,870.01
Step by Step Solution
- Step 1: Write the proportion equation
386,119.08 : 579,337.64 = 169,866.71 : x - Step 2: Convert to fraction form
386,119.08/579,337.64 = 169,866.71/x - Step 3: Cross multiply
386,119.08x = 579,337.64 × 169,866.71 - Step 4: Simplify right side
386,119.08x = 98,410,175,139.94 - Step 5: Solve for x
x = 98,410,175,139.94/386,119.08 - Step 6: Final answer
x = 254,870.01
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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.