Finding the Fourth Proportional to 242,457.48, 334,567.31 and 135,037.49
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Solution
The fourth proportional to 242,457.48, 334,567.31 and 135,037.49 is: 186,338.35
Step by Step Solution
- Step 1: Write the proportion equation
242,457.48 : 334,567.31 = 135,037.49 : x - Step 2: Convert to fraction form
242,457.48/334,567.31 = 135,037.49/x - Step 3: Cross multiply
242,457.48x = 334,567.31 × 135,037.49 - Step 4: Simplify right side
242,457.48x = 45,179,127,430.43 - Step 5: Solve for x
x = 45,179,127,430.43/242,457.48 - Step 6: Final answer
x = 186,338.35
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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.