Finding the Fourth Proportional to 384,117.48, 530,029.44 and 214,318.80
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Solution
The fourth proportional to 384,117.48, 530,029.44 and 214,318.80 is: 295,730.55
Step by Step Solution
- Step 1: Write the proportion equation
384,117.48 : 530,029.44 = 214,318.80 : x - Step 2: Convert to fraction form
384,117.48/530,029.44 = 214,318.80/x - Step 3: Cross multiply
384,117.48x = 530,029.44 × 214,318.80 - Step 4: Simplify right side
384,117.48x = 113,595,273,545.47 - Step 5: Solve for x
x = 113,595,273,545.47/384,117.48 - Step 6: Final answer
x = 295,730.55
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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.