Finding the Fourth Proportional to 430,867.02, 594,628.08 and 308,370.90
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Solution
The fourth proportional to 430,867.02, 594,628.08 and 308,370.90 is: 425,574.45
Step by Step Solution
- Step 1: Write the proportion equation
430,867.02 : 594,628.08 = 308,370.90 : x - Step 2: Convert to fraction form
430,867.02/594,628.08 = 308,370.90/x - Step 3: Cross multiply
430,867.02x = 594,628.08 × 308,370.90 - Step 4: Simplify right side
430,867.02x = 183,365,996,194.87 - Step 5: Solve for x
x = 183,365,996,194.87/430,867.02 - Step 6: Final answer
x = 425,574.45
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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.