Finding the Fourth Proportional to 130,460.70, 195,746.74 and 55,616.08
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Solution
The fourth proportional to 130,460.70, 195,746.74 and 55,616.08 is: 83,447.86
Step by Step Solution
- Step 1: Write the proportion equation
130,460.70 : 195,746.74 = 55,616.08 : x - Step 2: Convert to fraction form
130,460.70/195,746.74 = 55,616.08/x - Step 3: Cross multiply
130,460.70x = 195,746.74 × 55,616.08 - Step 4: Simplify right side
130,460.70x = 10,886,666,351.58 - Step 5: Solve for x
x = 10,886,666,351.58/130,460.70 - Step 6: Final answer
x = 83,447.86
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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.