Finding the Fourth Proportional to 647,177.80, 971,058.30 and 310,088.20
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Solution
The fourth proportional to 647,177.80, 971,058.30 and 310,088.20 is: 465,272.02
Step by Step Solution
- Step 1: Write the proportion equation
647,177.80 : 971,058.30 = 310,088.20 : x - Step 2: Convert to fraction form
647,177.80/971,058.30 = 310,088.20/x - Step 3: Cross multiply
647,177.80x = 971,058.30 × 310,088.20 - Step 4: Simplify right side
647,177.80x = 301,113,720,342.06 - Step 5: Solve for x
x = 301,113,720,342.06/647,177.80 - Step 6: Final answer
x = 465,272.02
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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.