Finding the Fourth Proportional to 369,088.79, 509,342.48 and 199,322.91
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Solution
The fourth proportional to 369,088.79, 509,342.48 and 199,322.91 is: 275,065.59
Step by Step Solution
- Step 1: Write the proportion equation
369,088.79 : 509,342.48 = 199,322.91 : x - Step 2: Convert to fraction form
369,088.79/509,342.48 = 199,322.91/x - Step 3: Cross multiply
369,088.79x = 509,342.48 × 199,322.91 - Step 4: Simplify right side
369,088.79x = 101,523,624,303.60 - Step 5: Solve for x
x = 101,523,624,303.60/369,088.79 - Step 6: Final answer
x = 275,065.59
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.