Finding the Fourth Proportional to 655,448.98, 904,509.57 and 368,968.18
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Solution
The fourth proportional to 655,448.98, 904,509.57 and 368,968.18 is: 509,170.45
Step by Step Solution
- Step 1: Write the proportion equation
655,448.98 : 904,509.57 = 368,968.18 : x - Step 2: Convert to fraction form
655,448.98/904,509.57 = 368,968.18/x - Step 3: Cross multiply
655,448.98x = 904,509.57 × 368,968.18 - Step 4: Simplify right side
655,448.98x = 333,735,249,835.48 - Step 5: Solve for x
x = 333,735,249,835.48/655,448.98 - Step 6: Final answer
x = 509,170.45
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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.