Finding the Fourth Proportional to 430,658.25, 594,302.58 and 239,671.59
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Solution
The fourth proportional to 430,658.25, 594,302.58 and 239,671.59 is: 330,743.56
Step by Step Solution
- Step 1: Write the proportion equation
430,658.25 : 594,302.58 = 239,671.59 : x - Step 2: Convert to fraction form
430,658.25/594,302.58 = 239,671.59/x - Step 3: Cross multiply
430,658.25x = 594,302.58 × 239,671.59 - Step 4: Simplify right side
430,658.25x = 142,437,444,289.70 - Step 5: Solve for x
x = 142,437,444,289.70/430,658.25 - Step 6: Final answer
x = 330,743.56
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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.