Finding the Fourth Proportional to 626,605.08, 939,925.84 and 153,290.28
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Solution
The fourth proportional to 626,605.08, 939,925.84 and 153,290.28 is: 229,939.88
Step by Step Solution
- Step 1: Write the proportion equation
626,605.08 : 939,925.84 = 153,290.28 : x - Step 2: Convert to fraction form
626,605.08/939,925.84 = 153,290.28/x - Step 3: Cross multiply
626,605.08x = 939,925.84 × 153,290.28 - Step 4: Simplify right side
626,605.08x = 144,081,495,192.84 - Step 5: Solve for x
x = 144,081,495,192.84/626,605.08 - Step 6: Final answer
x = 229,939.88
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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.