Finding the Fourth Proportional to 310,955.57, 466,466.68 and 86,316.95
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Solution
The fourth proportional to 310,955.57, 466,466.68 and 86,316.95 is: 129,484.68
Step by Step Solution
- Step 1: Write the proportion equation
310,955.57 : 466,466.68 = 86,316.95 : x - Step 2: Convert to fraction form
310,955.57/466,466.68 = 86,316.95/x - Step 3: Cross multiply
310,955.57x = 466,466.68 × 86,316.95 - Step 4: Simplify right side
310,955.57x = 40,263,981,094.23 - Step 5: Solve for x
x = 40,263,981,094.23/310,955.57 - Step 6: Final answer
x = 129,484.68
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1.5x scale
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.