Finding the Fourth Proportional to 239,303.40, 358,829.34 and 106,126.08
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Solution
The fourth proportional to 239,303.40, 358,829.34 and 106,126.08 is: 159,133.35
Step by Step Solution
- Step 1: Write the proportion equation
239,303.40 : 358,829.34 = 106,126.08 : x - Step 2: Convert to fraction form
239,303.40/358,829.34 = 106,126.08/x - Step 3: Cross multiply
239,303.40x = 358,829.34 × 106,126.08 - Step 4: Simplify right side
239,303.40x = 38,081,151,243.19 - Step 5: Solve for x
x = 38,081,151,243.19/239,303.40 - Step 6: Final answer
x = 159,133.35
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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.