Finding the Fourth Proportional to 251,177.99, 346,624.18 and 136,455.71
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Solution
The fourth proportional to 251,177.99, 346,624.18 and 136,455.71 is: 188,308.09
Step by Step Solution
- Step 1: Write the proportion equation
251,177.99 : 346,624.18 = 136,455.71 : x - Step 2: Convert to fraction form
251,177.99/346,624.18 = 136,455.71/x - Step 3: Cross multiply
251,177.99x = 346,624.18 × 136,455.71 - Step 4: Simplify right side
251,177.99x = 47,298,846,510.81 - Step 5: Solve for x
x = 47,298,846,510.81/251,177.99 - Step 6: Final answer
x = 188,308.09
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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.