Finding the Fourth Proportional to 340,623.84, 510,618.06 and 115,830.66
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Solution
The fourth proportional to 340,623.84, 510,618.06 and 115,830.66 is: 173,637.95
Step by Step Solution
- Step 1: Write the proportion equation
340,623.84 : 510,618.06 = 115,830.66 : x - Step 2: Convert to fraction form
340,623.84/510,618.06 = 115,830.66/x - Step 3: Cross multiply
340,623.84x = 510,618.06 × 115,830.66 - Step 4: Simplify right side
340,623.84x = 59,145,226,897.72 - Step 5: Solve for x
x = 59,145,226,897.72/340,623.84 - Step 6: Final answer
x = 173,637.95
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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.