Finding the Fourth Proportional to 171,663.18, 257,209.65 and 121,495.02
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Solution
The fourth proportional to 171,663.18, 257,209.65 and 121,495.02 is: 182,040.74
Step by Step Solution
- Step 1: Write the proportion equation
171,663.18 : 257,209.65 = 121,495.02 : x - Step 2: Convert to fraction form
171,663.18/257,209.65 = 121,495.02/x - Step 3: Cross multiply
171,663.18x = 257,209.65 × 121,495.02 - Step 4: Simplify right side
171,663.18x = 31,249,691,570.94 - Step 5: Solve for x
x = 31,249,691,570.94/171,663.18 - Step 6: Final answer
x = 182,040.74
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.