Finding the Fourth Proportional to 521,575.81, 719,726.21 and 295,221.31
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Solution
The fourth proportional to 521,575.81, 719,726.21 and 295,221.31 is: 407,378.01
Step by Step Solution
- Step 1: Write the proportion equation
521,575.81 : 719,726.21 = 295,221.31 : x - Step 2: Convert to fraction form
521,575.81/719,726.21 = 295,221.31/x - Step 3: Cross multiply
521,575.81x = 719,726.21 × 295,221.31 - Step 4: Simplify right side
521,575.81x = 212,478,512,389.19 - Step 5: Solve for x
x = 212,478,512,389.19/521,575.81 - Step 6: Final answer
x = 407,378.01
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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.