Finding the Fourth Proportional to 535,416.23, 803,837.09 and 310,937.79
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Solution
The fourth proportional to 535,416.23, 803,837.09 and 310,937.79 is: 466,820.60
Step by Step Solution
- Step 1: Write the proportion equation
535,416.23 : 803,837.09 = 310,937.79 : x - Step 2: Convert to fraction form
535,416.23/803,837.09 = 310,937.79/x - Step 3: Cross multiply
535,416.23x = 803,837.09 × 310,937.79 - Step 4: Simplify right side
535,416.23x = 249,943,328,284.63 - Step 5: Solve for x
x = 249,943,328,284.63/535,416.23 - Step 6: Final answer
x = 466,820.60
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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.