Finding the Fourth Proportional to 338,562.40, 507,909.98 and 125,331.95
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Solution
The fourth proportional to 338,562.40, 507,909.98 and 125,331.95 is: 188,022.50
Step by Step Solution
- Step 1: Write the proportion equation
338,562.40 : 507,909.98 = 125,331.95 : x - Step 2: Convert to fraction form
338,562.40/507,909.98 = 125,331.95/x - Step 3: Cross multiply
338,562.40x = 507,909.98 × 125,331.95 - Step 4: Simplify right side
338,562.40x = 63,657,348,217.86 - Step 5: Solve for x
x = 63,657,348,217.86/338,562.40 - Step 6: Final answer
x = 188,022.50
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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.