Finding the Fourth Proportional to 501,688.81, 692,327.05 and 272,240.26
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Solution
The fourth proportional to 501,688.81, 692,327.05 and 272,240.26 is: 375,689.66
Step by Step Solution
- Step 1: Write the proportion equation
501,688.81 : 692,327.05 = 272,240.26 : x - Step 2: Convert to fraction form
501,688.81/692,327.05 = 272,240.26/x - Step 3: Cross multiply
501,688.81x = 692,327.05 × 272,240.26 - Step 4: Simplify right side
501,688.81x = 188,479,296,097.03 - Step 5: Solve for x
x = 188,479,296,097.03/501,688.81 - Step 6: Final answer
x = 375,689.66
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1.5x scale
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.