Finding the Fourth Proportional to 462,143.42, 637,746.17 and 258,195.88
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Solution
The fourth proportional to 462,143.42, 637,746.17 and 258,195.88 is: 356,303.75
Step by Step Solution
- Step 1: Write the proportion equation
462,143.42 : 637,746.17 = 258,195.88 : x - Step 2: Convert to fraction form
462,143.42/637,746.17 = 258,195.88/x - Step 3: Cross multiply
462,143.42x = 637,746.17 × 258,195.88 - Step 4: Simplify right side
462,143.42x = 164,663,433,579.78 - Step 5: Solve for x
x = 164,663,433,579.78/462,143.42 - Step 6: Final answer
x = 356,303.75
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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.