Finding the Fourth Proportional to 130,998.06, 196,332.66 and 56,030.09
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Solution
The fourth proportional to 130,998.06, 196,332.66 and 56,030.09 is: 83,974.80
Step by Step Solution
- Step 1: Write the proportion equation
130,998.06 : 196,332.66 = 56,030.09 : x - Step 2: Convert to fraction form
130,998.06/196,332.66 = 56,030.09/x - Step 3: Cross multiply
130,998.06x = 196,332.66 × 56,030.09 - Step 4: Simplify right side
130,998.06x = 11,000,535,628.08 - Step 5: Solve for x
x = 11,000,535,628.08/130,998.06 - Step 6: Final answer
x = 83,974.80
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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.