Finding the Fourth Proportional to 306,999.18, 460,547.99 and 129,532.34
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Solution
The fourth proportional to 306,999.18, 460,547.99 and 129,532.34 is: 194,319.28
Step by Step Solution
- Step 1: Write the proportion equation
306,999.18 : 460,547.99 = 129,532.34 : x - Step 2: Convert to fraction form
306,999.18/460,547.99 = 129,532.34/x - Step 3: Cross multiply
306,999.18x = 460,547.99 × 129,532.34 - Step 4: Simplify right side
306,999.18x = 59,655,858,827.00 - Step 5: Solve for x
x = 59,655,858,827.00/306,999.18 - Step 6: Final answer
x = 194,319.28
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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.