Finding the Fourth Proportional to 307,419.12, 460,511.12 and 153,080.14
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Solution
The fourth proportional to 307,419.12, 460,511.12 and 153,080.14 is: 229,312.69
Step by Step Solution
- Step 1: Write the proportion equation
307,419.12 : 460,511.12 = 153,080.14 : x - Step 2: Convert to fraction form
307,419.12/460,511.12 = 153,080.14/x - Step 3: Cross multiply
307,419.12x = 460,511.12 × 153,080.14 - Step 4: Simplify right side
307,419.12x = 70,495,103,653.20 - Step 5: Solve for x
x = 70,495,103,653.20/307,419.12 - Step 6: Final answer
x = 229,312.69
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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.