Finding the Fourth Proportional to 425,445.04, 638,118.06 and 109,877.08
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Solution
The fourth proportional to 425,445.04, 638,118.06 and 109,877.08 is: 164,802.84
Step by Step Solution
- Step 1: Write the proportion equation
425,445.04 : 638,118.06 = 109,877.08 : x - Step 2: Convert to fraction form
425,445.04/638,118.06 = 109,877.08/x - Step 3: Cross multiply
425,445.04x = 638,118.06 × 109,877.08 - Step 4: Simplify right side
425,445.04x = 70,114,549,128.06 - Step 5: Solve for x
x = 70,114,549,128.06/425,445.04 - Step 6: Final answer
x = 164,802.84
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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.