Finding the Fourth Proportional to 430,307.36, 593,815.72 and 239,316.65
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Solution
The fourth proportional to 430,307.36, 593,815.72 and 239,316.65 is: 330,252.28
Step by Step Solution
- Step 1: Write the proportion equation
430,307.36 : 593,815.72 = 239,316.65 : x - Step 2: Convert to fraction form
430,307.36/593,815.72 = 239,316.65/x - Step 3: Cross multiply
430,307.36x = 593,815.72 × 239,316.65 - Step 4: Simplify right side
430,307.36x = 142,109,988,827.74 - Step 5: Solve for x
x = 142,109,988,827.74/430,307.36 - Step 6: Final answer
x = 330,252.28
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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.