Finding the Fourth Proportional to 353,521.08, 487,869.36 and 192,386.52
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Solution
The fourth proportional to 353,521.08, 487,869.36 and 192,386.52 is: 265,498.99
Step by Step Solution
- Step 1: Write the proportion equation
353,521.08 : 487,869.36 = 192,386.52 : x - Step 2: Convert to fraction form
353,521.08/487,869.36 = 192,386.52/x - Step 3: Cross multiply
353,521.08x = 487,869.36 × 192,386.52 - Step 4: Simplify right side
353,521.08x = 93,859,488,385.03 - Step 5: Solve for x
x = 93,859,488,385.03/353,521.08 - Step 6: Final answer
x = 265,498.99
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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.