Finding the Fourth Proportional to 288,259.36, 432,088.12 and 98,663.88
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Solution
The fourth proportional to 288,259.36, 432,088.12 and 98,663.88 is: 147,892.82
Step by Step Solution
- Step 1: Write the proportion equation
288,259.36 : 432,088.12 = 98,663.88 : x - Step 2: Convert to fraction form
288,259.36/432,088.12 = 98,663.88/x - Step 3: Cross multiply
288,259.36x = 432,088.12 × 98,663.88 - Step 4: Simplify right side
288,259.36x = 42,631,490,421.11 - Step 5: Solve for x
x = 42,631,490,421.11/288,259.36 - Step 6: Final answer
x = 147,892.82
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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.