Finding the Fourth Proportional to 133,663.19, 184,461.30 and 76,318.02
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Solution
The fourth proportional to 133,663.19, 184,461.30 and 76,318.02 is: 105,322.35
Step by Step Solution
- Step 1: Write the proportion equation
133,663.19 : 184,461.30 = 76,318.02 : x - Step 2: Convert to fraction form
133,663.19/184,461.30 = 76,318.02/x - Step 3: Cross multiply
133,663.19x = 184,461.30 × 76,318.02 - Step 4: Simplify right side
133,663.19x = 14,077,721,182.63 - Step 5: Solve for x
x = 14,077,721,182.63/133,663.19 - Step 6: Final answer
x = 105,322.35
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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.