Finding the Fourth Proportional to 645,693.68, 968,695.80 and 202,461.68
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Solution
The fourth proportional to 645,693.68, 968,695.80 and 202,461.68 is: 303,741.21
Step by Step Solution
- Step 1: Write the proportion equation
645,693.68 : 968,695.80 = 202,461.68 : x - Step 2: Convert to fraction form
645,693.68/968,695.80 = 202,461.68/x - Step 3: Cross multiply
645,693.68x = 968,695.80 × 202,461.68 - Step 4: Simplify right side
645,693.68x = 196,123,779,076.94 - Step 5: Solve for x
x = 196,123,779,076.94/645,693.68 - Step 6: Final answer
x = 303,741.21
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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.