Finding the Fourth Proportional to 561,683.08, 775,134.66 and 307,057.96
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Solution
The fourth proportional to 561,683.08, 775,134.66 and 307,057.96 is: 423,746.55
Step by Step Solution
- Step 1: Write the proportion equation
561,683.08 : 775,134.66 = 307,057.96 : x - Step 2: Convert to fraction form
561,683.08/775,134.66 = 307,057.96/x - Step 3: Cross multiply
561,683.08x = 775,134.66 × 307,057.96 - Step 4: Simplify right side
561,683.08x = 238,011,267,424.89 - Step 5: Solve for x
x = 238,011,267,424.89/561,683.08 - Step 6: Final answer
x = 423,746.55
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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.