Finding the Fourth Proportional to 368,213.64, 508,129.98 and 207,068.65
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Solution
The fourth proportional to 368,213.64, 508,129.98 and 207,068.65 is: 285,752.01
Step by Step Solution
- Step 1: Write the proportion equation
368,213.64 : 508,129.98 = 207,068.65 : x - Step 2: Convert to fraction form
368,213.64/508,129.98 = 207,068.65/x - Step 3: Cross multiply
368,213.64x = 508,129.98 × 207,068.65 - Step 4: Simplify right side
368,213.64x = 105,217,787,712.80 - Step 5: Solve for x
x = 105,217,787,712.80/368,213.64 - Step 6: Final answer
x = 285,752.01
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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.