Finding the Fourth Proportional to 477,897.60, 716,638.08 and 145,395.84
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Solution
The fourth proportional to 477,897.60, 716,638.08 and 145,395.84 is: 218,030.38
Step by Step Solution
- Step 1: Write the proportion equation
477,897.60 : 716,638.08 = 145,395.84 : x - Step 2: Convert to fraction form
477,897.60/716,638.08 = 145,395.84/x - Step 3: Cross multiply
477,897.60x = 716,638.08 × 145,395.84 - Step 4: Simplify right side
477,897.60x = 104,196,195,617.59 - Step 5: Solve for x
x = 104,196,195,617.59/477,897.60 - Step 6: Final answer
x = 218,030.38
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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.