Finding the Fourth Proportional to 425,031.98, 586,523.09 and 234,009.68
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Solution
The fourth proportional to 425,031.98, 586,523.09 and 234,009.68 is: 322,921.77
Step by Step Solution
- Step 1: Write the proportion equation
425,031.98 : 586,523.09 = 234,009.68 : x - Step 2: Convert to fraction form
425,031.98/586,523.09 = 234,009.68/x - Step 3: Cross multiply
425,031.98x = 586,523.09 × 234,009.68 - Step 4: Simplify right side
425,031.98x = 137,252,078,700.31 - Step 5: Solve for x
x = 137,252,078,700.31/425,031.98 - Step 6: Final answer
x = 322,921.77
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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.