Finding the Fourth Proportional to 130,477.18, 195,714.73 and 77,536.06
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Solution
The fourth proportional to 130,477.18, 195,714.73 and 77,536.06 is: 116,303.47
Step by Step Solution
- Step 1: Write the proportion equation
130,477.18 : 195,714.73 = 77,536.06 : x - Step 2: Convert to fraction form
130,477.18/195,714.73 = 77,536.06/x - Step 3: Cross multiply
130,477.18x = 195,714.73 × 77,536.06 - Step 4: Simplify right side
130,477.18x = 15,174,949,048.16 - Step 5: Solve for x
x = 15,174,949,048.16/130,477.18 - Step 6: Final answer
x = 116,303.47
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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.