Finding the Fourth Proportional to 384,746.04, 530,939.58 and 214,981.56
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Solution
The fourth proportional to 384,746.04, 530,939.58 and 214,981.56 is: 296,668.99
Step by Step Solution
- Step 1: Write the proportion equation
384,746.04 : 530,939.58 = 214,981.56 : x - Step 2: Convert to fraction form
384,746.04/530,939.58 = 214,981.56/x - Step 3: Cross multiply
384,746.04x = 530,939.58 × 214,981.56 - Step 4: Simplify right side
384,746.04x = 114,142,219,174.15 - Step 5: Solve for x
x = 114,142,219,174.15/384,746.04 - Step 6: Final answer
x = 296,668.99
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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.