Finding the Fourth Proportional to 423,283.02, 584,141.94 and 232,303.20
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Solution
The fourth proportional to 423,283.02, 584,141.94 and 232,303.20 is: 320,584.66
Step by Step Solution
- Step 1: Write the proportion equation
423,283.02 : 584,141.94 = 232,303.20 : x - Step 2: Convert to fraction form
423,283.02/584,141.94 = 232,303.20/x - Step 3: Cross multiply
423,283.02x = 584,141.94 × 232,303.20 - Step 4: Simplify right side
423,283.02x = 135,698,041,916.21 - Step 5: Solve for x
x = 135,698,041,916.21/423,283.02 - Step 6: Final answer
x = 320,584.66
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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.