Finding the Fourth Proportional to 310,345.74, 465,722.73 and 170,202.78
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Solution
The fourth proportional to 310,345.74, 465,722.73 and 170,202.78 is: 255,416.12
Step by Step Solution
- Step 1: Write the proportion equation
310,345.74 : 465,722.73 = 170,202.78 : x - Step 2: Convert to fraction form
310,345.74/465,722.73 = 170,202.78/x - Step 3: Cross multiply
310,345.74x = 465,722.73 × 170,202.78 - Step 4: Simplify right side
310,345.74x = 79,267,303,355.19 - Step 5: Solve for x
x = 79,267,303,355.19/310,345.74 - Step 6: Final answer
x = 255,416.12
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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.