Finding the Fourth Proportional to 508,340.96, 761,979.36 and 171,265.14
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Solution
The fourth proportional to 508,340.96, 761,979.36 and 171,265.14 is: 256,718.45
Step by Step Solution
- Step 1: Write the proportion equation
508,340.96 : 761,979.36 = 171,265.14 : x - Step 2: Convert to fraction form
508,340.96/761,979.36 = 171,265.14/x - Step 3: Cross multiply
508,340.96x = 761,979.36 × 171,265.14 - Step 4: Simplify right side
508,340.96x = 130,500,501,767.51 - Step 5: Solve for x
x = 130,500,501,767.51/508,340.96 - Step 6: Final answer
x = 256,718.45
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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.