Finding the Fourth Proportional to 430,661.75, 594,307.41 and 239,675.09
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Solution
The fourth proportional to 430,661.75, 594,307.41 and 239,675.09 is: 330,748.39
Step by Step Solution
- Step 1: Write the proportion equation
430,661.75 : 594,307.41 = 239,675.09 : x - Step 2: Convert to fraction form
430,661.75/594,307.41 = 239,675.09/x - Step 3: Cross multiply
430,661.75x = 594,307.41 × 239,675.09 - Step 4: Simplify right side
430,661.75x = 142,440,679,007.88 - Step 5: Solve for x
x = 142,440,679,007.88/430,661.75 - Step 6: Final answer
x = 330,748.39
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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.