Finding the Fourth Proportional to 118,430.08, 177,673.08 and 38,467.80
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Solution
The fourth proportional to 118,430.08, 177,673.08 and 38,467.80 is: 57,710.78
Step by Step Solution
- Step 1: Write the proportion equation
118,430.08 : 177,673.08 = 38,467.80 : x - Step 2: Convert to fraction form
118,430.08/177,673.08 = 38,467.80/x - Step 3: Cross multiply
118,430.08x = 177,673.08 × 38,467.80 - Step 4: Simplify right side
118,430.08x = 6,834,692,506.82 - Step 5: Solve for x
x = 6,834,692,506.82/118,430.08 - Step 6: Final answer
x = 57,710.78
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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.