Finding the Fourth Proportional to 161,809.70, 242,822.52 and 56,628.68
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Solution
The fourth proportional to 161,809.70, 242,822.52 and 56,628.68 is: 84,980.80
Step by Step Solution
- Step 1: Write the proportion equation
161,809.70 : 242,822.52 = 56,628.68 : x - Step 2: Convert to fraction form
161,809.70/242,822.52 = 56,628.68/x - Step 3: Cross multiply
161,809.70x = 242,822.52 × 56,628.68 - Step 4: Simplify right side
161,809.70x = 13,750,717,567.76 - Step 5: Solve for x
x = 13,750,717,567.76/161,809.70 - Step 6: Final answer
x = 84,980.80
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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.