Finding the Fourth Proportional to 453,955.23, 625,392.63 and 315,896.81
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Solution
The fourth proportional to 453,955.23, 625,392.63 and 315,896.81 is: 435,196.08
Step by Step Solution
- Step 1: Write the proportion equation
453,955.23 : 625,392.63 = 315,896.81 : x - Step 2: Convert to fraction form
453,955.23/625,392.63 = 315,896.81/x - Step 3: Cross multiply
453,955.23x = 625,392.63 × 315,896.81 - Step 4: Simplify right side
453,955.23x = 197,559,536,814.51 - Step 5: Solve for x
x = 197,559,536,814.51/453,955.23 - Step 6: Final answer
x = 435,196.08
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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.