Finding the Fourth Proportional to 286,938.18, 430,459.52 and 94,823.60
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Solution
The fourth proportional to 286,938.18, 430,459.52 and 94,823.60 is: 142,252.66
Step by Step Solution
- Step 1: Write the proportion equation
286,938.18 : 430,459.52 = 94,823.60 : x - Step 2: Convert to fraction form
286,938.18/430,459.52 = 94,823.60/x - Step 3: Cross multiply
286,938.18x = 430,459.52 × 94,823.60 - Step 4: Simplify right side
286,938.18x = 40,817,718,714.26 - Step 5: Solve for x
x = 40,817,718,714.26/286,938.18 - Step 6: Final answer
x = 142,252.66
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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.