Finding the Fourth Proportional to 242,460.99, 334,582.88 and 135,011.86
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Solution
The fourth proportional to 242,460.99, 334,582.88 and 135,011.86 is: 186,308.96
Step by Step Solution
- Step 1: Write the proportion equation
242,460.99 : 334,582.88 = 135,011.86 : x - Step 2: Convert to fraction form
242,460.99/334,582.88 = 135,011.86/x - Step 3: Cross multiply
242,460.99x = 334,582.88 × 135,011.86 - Step 4: Simplify right side
242,460.99x = 45,172,655,441.44 - Step 5: Solve for x
x = 45,172,655,441.44/242,460.99 - Step 6: Final answer
x = 186,308.96
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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.