Finding the Fourth Proportional to 430,539.36, 594,140.04 and 239,549.46
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Solution
The fourth proportional to 430,539.36, 594,140.04 and 239,549.46 is: 330,575.88
Step by Step Solution
- Step 1: Write the proportion equation
430,539.36 : 594,140.04 = 239,549.46 : x - Step 2: Convert to fraction form
430,539.36/594,140.04 = 239,549.46/x - Step 3: Cross multiply
430,539.36x = 594,140.04 × 239,549.46 - Step 4: Simplify right side
430,539.36x = 142,325,925,746.38 - Step 5: Solve for x
x = 142,325,925,746.38/430,539.36 - Step 6: Final answer
x = 330,575.88
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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.