Finding the Fourth Proportional to 475,158.36, 712,663.19 and 155,307.79
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Solution
The fourth proportional to 475,158.36, 712,663.19 and 155,307.79 is: 232,937.38
Step by Step Solution
- Step 1: Write the proportion equation
475,158.36 : 712,663.19 = 155,307.79 : x - Step 2: Convert to fraction form
475,158.36/712,663.19 = 155,307.79/x - Step 3: Cross multiply
475,158.36x = 712,663.19 × 155,307.79 - Step 4: Simplify right side
475,158.36x = 110,682,142,495.05 - Step 5: Solve for x
x = 110,682,142,495.05/475,158.36 - Step 6: Final answer
x = 232,937.38
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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.