Finding the Fourth Proportional to 368,519.80, 508,551.24 and 207,374.76
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Solution
The fourth proportional to 368,519.80, 508,551.24 and 207,374.76 is: 286,173.75
Step by Step Solution
- Step 1: Write the proportion equation
368,519.80 : 508,551.24 = 207,374.76 : x - Step 2: Convert to fraction form
368,519.80/508,551.24 = 207,374.76/x - Step 3: Cross multiply
368,519.80x = 508,551.24 × 207,374.76 - Step 4: Simplify right side
368,519.80x = 105,460,691,342.70 - Step 5: Solve for x
x = 105,460,691,342.70/368,519.80 - Step 6: Final answer
x = 286,173.75
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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.