Finding the Fourth Proportional to 177,877.79, 245,477.21 and 97,303.47
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Solution
The fourth proportional to 177,877.79, 245,477.21 and 97,303.47 is: 134,281.99
Step by Step Solution
- Step 1: Write the proportion equation
177,877.79 : 245,477.21 = 97,303.47 : x - Step 2: Convert to fraction form
177,877.79/245,477.21 = 97,303.47/x - Step 3: Cross multiply
177,877.79x = 245,477.21 × 97,303.47 - Step 4: Simplify right side
177,877.79x = 23,885,784,338.92 - Step 5: Solve for x
x = 23,885,784,338.92/177,877.79 - Step 6: Final answer
x = 134,281.99
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1.5x scale
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.