Finding the Fourth Proportional to 684,058.84, 1,026,088.26 and 185,422.84
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Solution
The fourth proportional to 684,058.84, 1,026,088.26 and 185,422.84 is: 278,134.26
Step by Step Solution
- Step 1: Write the proportion equation
684,058.84 : 1,026,088.26 = 185,422.84 : x - Step 2: Convert to fraction form
684,058.84/1,026,088.26 = 185,422.84/x - Step 3: Cross multiply
684,058.84x = 1,026,088.26 × 185,422.84 - Step 4: Simplify right side
684,058.84x = 190,260,199,259.86 - Step 5: Solve for x
x = 190,260,199,259.86/684,058.84 - Step 6: Final answer
x = 278,134.26
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.