Finding the Fourth Proportional to 626,346.62, 939,511.76 and 153,036.08
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Solution
The fourth proportional to 626,346.62, 939,511.76 and 153,036.08 is: 229,552.12
Step by Step Solution
- Step 1: Write the proportion equation
626,346.62 : 939,511.76 = 153,036.08 : x - Step 2: Convert to fraction form
626,346.62/939,511.76 = 153,036.08/x - Step 3: Cross multiply
626,346.62x = 939,511.76 × 153,036.08 - Step 4: Simplify right side
626,346.62x = 143,779,191,401.56 - Step 5: Solve for x
x = 143,779,191,401.56/626,346.62 - Step 6: Final answer
x = 229,552.12
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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.