Finding the Fourth Proportional to 513,484.14, 770,296.27 and 213,894.65
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Solution
The fourth proportional to 513,484.14, 770,296.27 and 213,894.65 is: 320,871.17
Step by Step Solution
- Step 1: Write the proportion equation
513,484.14 : 770,296.27 = 213,894.65 : x - Step 2: Convert to fraction form
513,484.14/770,296.27 = 213,894.65/x - Step 3: Cross multiply
513,484.14x = 770,296.27 × 213,894.65 - Step 4: Simplify right side
513,484.14x = 164,762,254,454.88 - Step 5: Solve for x
x = 164,762,254,454.88/513,484.14 - Step 6: Final answer
x = 320,871.17
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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.