Finding the Fourth Proportional to 305,595.93, 458,487.74 and 145,875.68
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Solution
The fourth proportional to 305,595.93, 458,487.74 and 145,875.68 is: 218,858.31
Step by Step Solution
- Step 1: Write the proportion equation
305,595.93 : 458,487.74 = 145,875.68 : x - Step 2: Convert to fraction form
305,595.93/458,487.74 = 145,875.68/x - Step 3: Cross multiply
305,595.93x = 458,487.74 × 145,875.68 - Step 4: Simplify right side
305,595.93x = 66,882,208,916.41 - Step 5: Solve for x
x = 66,882,208,916.41/305,595.93 - Step 6: Final answer
x = 218,858.31
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.