Finding the Fourth Proportional to 242,134.11, 334,309.68 and 151,526.70
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Solution
The fourth proportional to 242,134.11, 334,309.68 and 151,526.70 is: 209,209.86
Step by Step Solution
- Step 1: Write the proportion equation
242,134.11 : 334,309.68 = 151,526.70 : x - Step 2: Convert to fraction form
242,134.11/334,309.68 = 151,526.70/x - Step 3: Cross multiply
242,134.11x = 334,309.68 × 151,526.70 - Step 4: Simplify right side
242,134.11x = 50,656,842,588.46 - Step 5: Solve for x
x = 50,656,842,588.46/242,134.11 - Step 6: Final answer
x = 209,209.86
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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.