Finding the Fourth Proportional to 310,701.68, 465,729.33 and 210,869.99
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Solution
The fourth proportional to 310,701.68, 465,729.33 and 210,869.99 is: 316,085.64
Step by Step Solution
- Step 1: Write the proportion equation
310,701.68 : 465,729.33 = 210,869.99 : x - Step 2: Convert to fraction form
310,701.68/465,729.33 = 210,869.99/x - Step 3: Cross multiply
310,701.68x = 465,729.33 × 210,869.99 - Step 4: Simplify right side
310,701.68x = 98,208,339,159.81 - Step 5: Solve for x
x = 98,208,339,159.81/310,701.68 - Step 6: Final answer
x = 316,085.64
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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.