Finding the Fourth Proportional to 282,746.24, 390,027.12 and 169,503.20
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Solution
The fourth proportional to 282,746.24, 390,027.12 and 169,503.20 is: 233,816.88
Step by Step Solution
- Step 1: Write the proportion equation
282,746.24 : 390,027.12 = 169,503.20 : x - Step 2: Convert to fraction form
282,746.24/390,027.12 = 169,503.20/x - Step 3: Cross multiply
282,746.24x = 390,027.12 × 169,503.20 - Step 4: Simplify right side
282,746.24x = 66,110,844,926.78 - Step 5: Solve for x
x = 66,110,844,926.78/282,746.24 - Step 6: Final answer
x = 233,816.88
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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.