Finding the Fourth Proportional to 430,690.05, 594,346.32 and 239,703.53
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Solution
The fourth proportional to 430,690.05, 594,346.32 and 239,703.53 is: 330,787.55
Step by Step Solution
- Step 1: Write the proportion equation
430,690.05 : 594,346.32 = 239,703.53 : x - Step 2: Convert to fraction form
430,690.05/594,346.32 = 239,703.53/x - Step 3: Cross multiply
430,690.05x = 594,346.32 × 239,703.53 - Step 4: Simplify right side
430,690.05x = 142,466,907,974.78 - Step 5: Solve for x
x = 142,466,907,974.78/430,690.05 - Step 6: Final answer
x = 330,787.55
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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.