Finding the Fourth Proportional to 249,654,830.70, 374,482,246.05 and 152,908,949.10
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Solution
The fourth proportional to 249,654,830.70, 374,482,246.05 and 152,908,949.10 is: 229,363,423.65
Step by Step Solution
- Step 1: Write the proportion equation
249,654,830.70 : 374,482,246.05 = 152,908,949.10 : x - Step 2: Convert to fraction form
249,654,830.70/374,482,246.05 = 152,908,949.10/x - Step 3: Cross multiply
249,654,830.70x = 374,482,246.05 × 152,908,949.10 - Step 4: Simplify right side
249,654,830.70x = 57,261,686,700,113,128 - Step 5: Solve for x
x = 57,261,686,700,113,128/249,654,830.70 - Step 6: Final answer
x = 229,363,423.65
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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.