Finding the Fourth Proportional to 302,460.96, 416,697.36 and 217,430.88
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Solution
The fourth proportional to 302,460.96, 416,697.36 and 217,430.88 is: 299,552.29
Step by Step Solution
- Step 1: Write the proportion equation
302,460.96 : 416,697.36 = 217,430.88 : x - Step 2: Convert to fraction form
302,460.96/416,697.36 = 217,430.88/x - Step 3: Cross multiply
302,460.96x = 416,697.36 × 217,430.88 - Step 4: Simplify right side
302,460.96x = 90,602,873,678.48 - Step 5: Solve for x
x = 90,602,873,678.48/302,460.96 - Step 6: Final answer
x = 299,552.29
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1.5x scale
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.