Finding the Fourth Proportional to 342,317.04, 513,539.88 and 155,341.68
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Solution
The fourth proportional to 342,317.04, 513,539.88 and 155,341.68 is: 233,041.71
Step by Step Solution
- Step 1: Write the proportion equation
342,317.04 : 513,539.88 = 155,341.68 : x - Step 2: Convert to fraction form
342,317.04/513,539.88 = 155,341.68/x - Step 3: Cross multiply
342,317.04x = 513,539.88 × 155,341.68 - Step 4: Simplify right side
342,317.04x = 79,774,147,706.20 - Step 5: Solve for x
x = 79,774,147,706.20/342,317.04 - Step 6: Final answer
x = 233,041.71
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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.