Finding the Fourth Proportional to 472,992.64, 652,725.66 and 258,125.56
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Solution
The fourth proportional to 472,992.64, 652,725.66 and 258,125.56 is: 356,210.99
Step by Step Solution
- Step 1: Write the proportion equation
472,992.64 : 652,725.66 = 258,125.56 : x - Step 2: Convert to fraction form
472,992.64/652,725.66 = 258,125.56/x - Step 3: Cross multiply
472,992.64x = 652,725.66 × 258,125.56 - Step 4: Simplify right side
472,992.64x = 168,485,176,513.87 - Step 5: Solve for x
x = 168,485,176,513.87/472,992.64 - Step 6: Final answer
x = 356,210.99
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.