Finding the Fourth Proportional to 535,471.49, 803,282.40 and 156,420.05
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Solution
The fourth proportional to 535,471.49, 803,282.40 and 156,420.05 is: 234,652.02
Step by Step Solution
- Step 1: Write the proportion equation
535,471.49 : 803,282.40 = 156,420.05 : x - Step 2: Convert to fraction form
535,471.49/803,282.40 = 156,420.05/x - Step 3: Cross multiply
535,471.49x = 803,282.40 × 156,420.05 - Step 4: Simplify right side
535,471.49x = 125,649,469,155.71 - Step 5: Solve for x
x = 125,649,469,155.71/535,471.49 - Step 6: Final answer
x = 234,652.02
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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.