Finding the Fourth Proportional to 632,792.58, 873,253.08 and 357,132.18
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Solution
The fourth proportional to 632,792.58, 873,253.08 and 357,132.18 is: 492,842.02
Step by Step Solution
- Step 1: Write the proportion equation
632,792.58 : 873,253.08 = 357,132.18 : x - Step 2: Convert to fraction form
632,792.58/873,253.08 = 357,132.18/x - Step 3: Cross multiply
632,792.58x = 873,253.08 × 357,132.18 - Step 4: Simplify right side
632,792.58x = 311,866,776,152.11 - Step 5: Solve for x
x = 311,866,776,152.11/632,792.58 - Step 6: Final answer
x = 492,842.02
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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.