Finding the Fourth Proportional to 415,820.56, 573,829.58 and 234,533.98
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Solution
The fourth proportional to 415,820.56, 573,829.58 and 234,533.98 is: 323,655.32
Step by Step Solution
- Step 1: Write the proportion equation
415,820.56 : 573,829.58 = 234,533.98 : x - Step 2: Convert to fraction form
415,820.56/573,829.58 = 234,533.98/x - Step 3: Cross multiply
415,820.56x = 573,829.58 × 234,533.98 - Step 4: Simplify right side
415,820.56x = 134,582,535,239.13 - Step 5: Solve for x
x = 134,582,535,239.13/415,820.56 - Step 6: Final answer
x = 323,655.32
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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.