Finding the Fourth Proportional to 640,936.98, 961,332.03 and 167,668.02
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Solution
The fourth proportional to 640,936.98, 961,332.03 and 167,668.02 is: 251,482.82
Step by Step Solution
- Step 1: Write the proportion equation
640,936.98 : 961,332.03 = 167,668.02 : x - Step 2: Convert to fraction form
640,936.98/961,332.03 = 167,668.02/x - Step 3: Cross multiply
640,936.98x = 961,332.03 × 167,668.02 - Step 4: Simplify right side
640,936.98x = 161,184,638,032.68 - Step 5: Solve for x
x = 161,184,638,032.68/640,936.98 - Step 6: Final answer
x = 251,482.82
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.