Finding the Fourth Proportional to 434,851.70, 652,277.55 and 210,319.70
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Solution
The fourth proportional to 434,851.70, 652,277.55 and 210,319.70 is: 315,479.55
Step by Step Solution
- Step 1: Write the proportion equation
434,851.70 : 652,277.55 = 210,319.70 : x - Step 2: Convert to fraction form
434,851.70/652,277.55 = 210,319.70/x - Step 3: Cross multiply
434,851.70x = 652,277.55 × 210,319.70 - Step 4: Simplify right side
434,851.70x = 137,186,818,632.74 - Step 5: Solve for x
x = 137,186,818,632.74/434,851.70 - Step 6: Final answer
x = 315,479.55
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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.